SERVICE MANUAL Color Inkjet Printer EPSON Stylus Photo R320 SEIJ04005
Notice All rights reserved. No part of this manual may be reproduced, stored in a retrieval system, or transmitted in any form or by any means electronic, mechanical, photocopying, or otherwise, without the prior written permission of SEIKO EPSON CORPORATION. The contents of this manual are subject to change without notice. All effort have been made to ensure the accuracy of the contents of this manual.
PRECAUTIONS Precautionary notations throughout the text are categorized relative to 1) Personal injury and 2) damage to equipment. DANGER Signals a precaution which, if ignored, could result in serious or fatal personal injury. Great caution should be exercised in performing procedures preceded by DANGER Headings. WARNING Signals a precaution which, if ignored, could result in damage to equipment.
About This Manual This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of the printer. The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be given to the precautions on the preceding page. Manual Configuration This manual consists of six chapters and Appendix. CHAPTER 1. TROUBLESHOOTING Describes the step-by-step procedures for the troubleshooting. CHAPTER 2.
Revision Status Revision Issued Date Description A September 3, 2004 First Release B September 27, 2004 Revised Contents [Chapter 2] • Checkpoint (page 37) • Page 47, 48, 52, 54, 55, 68, 69 • Adjustment item for PF Timing Belt (page 80) : Newly added : Corrected errors : Deleted
EPSON Stylus Photo R320 Revision B CONTENTS Chapter 1 TROUBLESHOOTING Chapter 3 ADJUSTMENT 1.1 Overview .............................................................................................................. 8 3.1 Adjustment Items and Overview ........................................................................ 83 3.1.1 Servicing Adjustment Item List ................................................................. 83 3.1.2 Replacement Part-Based Adjustment Priorities .......................
CHAPTER 1 TROUBLESHOOTING
EPSON Stylus Photo R320 Revision B 1.1 Overview Table 1-1. Motor, Coil Resistance This chapter describes how to identify troubles in two levels: unit level repair and component level repair. Refer to the flowchart in this chapter to identify the defective unit and perform component level repair if necessary. This chapter also explains motor coil resistance, Sensor specification and error indication.
EPSON Stylus Photo R320 Revision B 1.2 Troubleshooting with LED/LCD Indications and Status Monitor 3 Message This section describes the LED/LCD indication, the STM3 message and the error condition when the printer detects an error in each operation such as the power on, the paper loading/feeding and the ink absorption operation. Table 1-3.
EPSON Stylus Photo R320 Revision B Table 1-3. LED/LCD Indication and STM3 Printer status Maintenance LED indication Ink Out Error No Ink Cartridge TROUBLESHOOTING On LCD indication STM3 message Ink out Black: T0481 For best results, use genuine EPSON ink. Condition for error detection This error is detected in either of the following cases. 1. The ink consumption reached 100%. 2. The Ink Cartridge is faulty.
EPSON Stylus Photo R320 Revision B Table 1-3. LED/LCD Indication and STM3 Printer status Maintenance LED indication Paper Out Error On Paper Jam Error (Including CD/DVD) Maintenance Request TROUBLESHOOTING LCD indication STM3 message Condition for error detection Paper load error. Load correctly and press Maintenance. This error is detected when the leading edge of paper cannot be detected with the PE Sensor in a paper loading. On A paper jam has occurred.
EPSON Stylus Photo R320 Revision B Table 1-3. LED/LCD Indication and STM3 Printer status Maintenance LED indication LCD indication STM3 message Condition for error detection CD/DVD Guide Error On Close the CD/DVD guide. This error is detected when ; 1. Paper is present in "ASF Assy.", and "CDR Guide Assy." is open while receiving print data. 2. "CDR Guide Assy." opens while printing. 3. "CDR Guide Assy." is open while receiving ASF paper feed data. 4.
EPSON Stylus Photo R320 Revision B Table 1-3. LED/LCD Indication and STM3 Printer status Maintenance LED indication Fatal error TROUBLESHOOTING On LCD indication STM3 message System error. Press and hold both Power and Stop buttons for 7 seconds. Troubleshooting with LED/LCD Indications and Status Monitor 3 Message Condition for error detection This error is detected when ; 1. "Carriage Unit" cannot move correctly by the external force in each operation. 2.
EPSON Stylus Photo R320 Revision B 1.3 Unit Level Troubleshooting The following is the example of how to use the tables. You can identify the troubles by using the checklist in this section after confirming the LED/LCD indication on the control panel or the error message displayed on STM3 of the PC connected to the printer. As a result, you can save the whole repair time. When finding any faulty parts, refer to Chapter 2 "ASSEMBLY/DISASSEMBLY" and replace them.
EPSON Stylus Photo R320 Revision B Table 1-5. Check Points for Error Before the Initial Ink Charge, Error Before Ink Cartridge Replacement Cleaning and No Ink Cartridge Error Occurrence Timing Position of CR At power-on At HP At power-on Anywhere Faulty Part/ Part Name Phenomenon Detail The printer does not perform the Initial Ink Charge and the error is displayed on LED and STM3. Check Point Remedy Ink Cartridge 1. Check if the Ink Cartridge is normal by installing it in another printer. 1.
EPSON Stylus Photo R320 Revision B Table 1-6. Check Points for Paper Out Error to Each Phenomenon Occurrence Timing Position of CR Phenomenon Detail Faulty Part/ Part Name Check Point 1. Check if "Roller, Retard Assy." operates properly while feeding paper. When feeding paper, the leading edge of paper is detected properly, but the paper is ejected without being set at the print start position. Remedy 1. Reassemble "Extension Spring, 0.45" located the rear side of "Roller, Retard Assy.". ASF Assy.
EPSON Stylus Photo R320 Revision B Table 1-6. Check Points for Paper Out Error to Each Phenomenon Occurrence Timing Position of CR Phenomenon Detail Faulty Part/ Part Name Check Point Remedy 1. Check if "Compression Spring, 2.36" of "Lever, Change" does not come off. 1. Replace "Ink System" with a new one. Lever, Change "PF Motor" and "Spur Gear, 37.242" rotate properly, but "Holder, Shaft, LD Roller" does not feed paper. (The drive of "PF Motor" is not transmitted to "Holder, Shaft, LD Roller".
EPSON Stylus Photo R320 Revision B Table 1-7. Check Points for Paper Jam Error to Each Phenomenon Occurrence Timing Position of CR Phenomenon Detail "PF Motor" does not work at all. Faulty Part/ Part Name PF Motor Check Point Remedy 1. Check if "PF Motor Connector Cable" is connected to CN9 on "Main Board". 2. Check if the coil resistance of "PF Motor" is approximately 3.0Ω with a tester. Refer to Table 1-1. 3. Check if "PF Motor Connector Cable" is damaged. 1.
EPSON Stylus Photo R320 Revision B Table 1-7. Check Points for Paper Jam Error to Each Phenomenon Occurrence Timing Position of CR Phenomenon Detail At operation Out of HP "Carriage Unit" moves to the home position properly when turning on the power. Then paper feeding operation is performed normally, but paper is not sent into the printer. When feeding paper, the leading edge of paper is detected properly, but the paper is ejected without being set at the print start position.
EPSON Stylus Photo R320 Revision B Table 1-7. Check Points for Paper Jam Error to Each Phenomenon Occurrence Timing Position of CR Phenomenon Detail Faulty Part/ Part Name Check Point 1. Check if "Paper Guide, Upper" has not come off from "Main Frame". Remedy 1. Reattach "Paper Guide, Upper" to "Main Frame". Paper Guide, Upper At operation - The leading edge of paper is not sent to "PF Roller". Paper Guide, Upper * "Carriage Unit" can move to the home position even if "Extension Spring, 0.
EPSON Stylus Photo R320 Revision B Table 1-8. Check Points for CD/DVD Guide Error to Each Phenomenon Occurrence Timing Position of CR Phenomenon Detail Faulty Part/ Part Name Check Point Remedy 1. Check if the contact point of "Housing, Middle" with "Star Wheel/CDR Sensor" is cracked. Contact point Housing, Middle At power-on At HP 1. Check if "Star Wheel/CDR Sensor" is connected to CN6 on "Main Board". An error occurs even if "CDR Guide Assy." is closed when turning on the power. 1.
EPSON Stylus Photo R320 Revision B Table 1-9. Check Points for CD/DVD Tray Error to Each Phenomenon Occurrence Timing Position of CR Phenomenon Detail Faulty Part/ Part Name Check Point 1. Check if the contact point of "CDR Tray" with "CDR Tray Sensor" is cracked. Remedy 1. Replace "CDR Tray" with a new one. CDR Tray Contact point When printing CDR/DVDR - 1. Check if "CDR Tray Sensor" is connected to CN6 on "Main Board". An error occurs even though "CDR Tray" is set when printing CDR/DVDR. 1.
EPSON Stylus Photo R320 Revision B Table 1-10. Check points for Memory Card Error to Each Phenomenon Occurrence Timing Position of CR Phenomenon Detail Faulty Part/ Part Name Check Point 1. Check if the Memory Card is compliant. Memory Card When inserting Memory Card - 2. Check if the Memory Card is damaged. The Memory Card is not detected, and an error is displayed on LED and STM3. Main Board TROUBLESHOOTING 1. Check if there is any damage on the slot pin of the loading slot for Memory Cards. 2.
EPSON Stylus Photo R320 Revision B Table 1-11. Check Points for Fatal Error to Each Phenomenon Occurrence Timing Position of CR Phenomenon Detail "CR Motor" does not work at all when turning on the power. Faulty Part/ Part Name Check Point Remedy CR Motor 1. Check if "CR Motor Connector Cable" is connected to CN8 on "Main Board". 2. Check if "CR Motor Connector Cable" is damaged. 1. Connect "CR Motor Connector Cable" to CN8 on "Main Board". 2. Replace "CR Motor" with a new one. PF Motor 1.
EPSON Stylus Photo R320 Revision B Table 1-12. Check Points When More Than One Paper is Fed Constantly Without LED/STM3's Error Notifications Occurrence Timing Position of CR Phenomenon Detail Faulty Part/ Part Name Check Point 1. Check if "Roller, Retard Assy." works correctly while feeding paper. At operation - The printer always feeds more than one sheet of paper at a time without LED/ STM3's error notifications. Remedy 1. Reassemble "Extension Spring, 0.45" on the back of "Roller, Retard Assy.
EPSON Stylus Photo R320 Revision B Table 1-14. Check Points for Defective Print Quality Occurrence Timing Position of CR Phenomenon Detail Faulty Part/ Part Name 1. Check if there is any foreign matter on the sealing rubber on "Cap Unit". [Phenomenon 1] When the printer is performing the Cleaning task, the ink is not drained into "Waste Ink Pad" in spite of the correct function of "Pump Unit". The ink from "Print Head" is not absorbed in the Cap at all.
EPSON Stylus Photo R320 Revision B Table 1-14. Check Points for Defective Print Quality Occurrence Timing Position of CR Phenomenon Detail [Phenomenon 6] When the Cleaning is performed, the ink is drained into "Waste Ink Pad". However, missing dots and misalignment occur at all nozzles. They are not solved by executing the Cleaning several times. Faulty Part/ Part Name Remedy Ink System 7. Check if "Slider Lock Lever" is damaged. 7. Replace "Ink System" with a new one. Ink Cartridge 1.
EPSON Stylus Photo R320 Revision B Table 1-14. Check Points for Defective Print Quality Occurrence Timing Position of CR Phenomenon Detail Faulty Part/ Part Name Check Point Frame EJ Assy. Striped pattern appears in a direction perpendicular to "Carriage Unit" movement. Striped pattern appears in a direction horizontally to "Carriage Unit" movement. Print Head PF Roller Direction of CR movement At operation - (Note) If the problem is not solved, replace "PF Motor" with a new one. 1.
EPSON Stylus Photo R320 Revision B Table 1-14. Check Points for Defective Print Quality Occurrence Timing Position of CR Phenomenon Detail Traces of "Star Wheels" appear in a direction perpendicular to "Carriage Unit" movement. Faulty Part/ Part Name Check Point Frame EJ Assy. Remedy 1. Check if "Star Wheels" have come off. 2. Check if the surface of "Frame EJ Assy." is mounted horizontally. 1. Reassemble "Star Wheels" correctly. 2. Replace "Frame EJ Assy." with a new one. 1.
EPSON Stylus Photo R320 Revision B Table 1-14. Check Points for Defective Print Quality Occurrence Timing Position of CR Phenomenon Detail Faulty Part/ Part Name Check Point 1. Check if there is any ink adhesion on "Frame EJ Assy.". 1. Clean the ink adhesion on "Frame EJ Assy." with a soft cloth. 1. Check if "Frame EJ Assy." has warped upward. 1. Replace "Frame EJ Assy." with a new one. Frame EJ Assy. 1. Check if there is any ink adhesion on "Paper Guide, Front". Paper Guide, Front 2.
CHAPTER 2 DISASSEMBLY AND ASSEMBLY
EPSON Stylus Photo R320 Revision B 2.1 Overview W A R N IN G This section describes procedures for disassembling the main components of Stylus Photo R320. Unless otherwise specified, disassembled units or components can be reassembled by reversing the disassembly procedure. "WARNING" indicates procedures which may result in damage, injury or involving human lives if you don't take extra care. "CAUTION" indicates precautions for any disassembly or assembly procedures.
EPSON Stylus Photo R320 Revision B 2.1.2 Tools 2.1.3 Pre-Shipment Checks Use only specified tools to avoid damaging the printer. When returning this product to the user after servicing, check that the work is complete using the following table. Table 2-1. Tools Tool Name Supplier Code Phillips Screw Driver (No. 0) EPSON 1080531 Phillips Screw Driver (No. 1) EPSON 1080530 Phillips Screw Driver (No. 2) EPSON 1080532 Tweezers EPSON 1080561 Acetate Tape EPSON 1003963 Table 2-2.
EPSON Stylus Photo R320 Revision B Table 2-2.
EPSON Stylus Photo R320 Revision B 2.2 Caution regarding assembling/disassembling the printer mechanism, and how to ensure the quality of reassembled product For the existing Low End models, it is basically forbidden to remove "Housing, Lower" from "Printer Mechanism". This is because the strength of "Frame, Main" is not strong enough, therefore, "Frame, Main" may be transformed when removing/ reinstalling it from/to "Housing, Lower".
EPSON Stylus Photo R320 Revision B How to install "ASF Assy.", "Main Board" and "Paper Guide, Upper" [Reason] When installing these three components, too much force can be given to "Frame, Main", therefore, it may be deformed and cause the defective print/ operation. [Support for Service] Hold the opposite side of the components securely, when installing them. 3. CDR Guide Assy. Management of the level accuracy of "CDR Guide Assy." [Reason] Deformation of "CDR Guide Assy.
EPSON Stylus Photo R320 Revision B 2.3 Disassembly The following flowchart shows the order of disassembling procedure. When disassembling any unit, refer to the page number shown in the flowchart. START Removing Paper Support Assy. (2.3.1 P.38) Removing Preview Monitor Unit (2.3.2 P.39) C H E C K P O IN T Since we used a mass production trial model for EHC destination to create this manual, the color or shape of the product shown in the manual may slightly differs from the product on sale.
EPSON Stylus Photo R320 Revision B Parts/Units which should be removed before removing "Paper Support Unit" 2.3.1 Removing Paper Support Assy. None External View Procedure for Removing 1. Paper Support Assy. Release the dowels (x2) which secure "Paper Support Assy.". Then remove "Paper Support Assy." from "ASF Assy.". ASF Assy. Dowels Figure 2-2. Removing "Paper Support Assy.
EPSON Stylus Photo R320 Revision B Parts/Units which should be removed before removing "Preview Monitor 2.3.2 Removing Preview Monitor Unit Unit" External View None Procedure for Removing C.B.P 3x8 (2-4kgf•cm) Preview Monitor Unit 1. Raise the "Preview Monitor Unit". 2. Remove the screw(x1) which secure "Preview Monitor Unit". 3. Release the hook(x2) which secure "Preview Monitor Unit". Then lift the "Preview Monitor Unit" upward. 4.
EPSON Stylus Photo R320 Revision B Parts/Units which should be removed before removing "Housing, Upper" 2.3.3 Removing Housing, Upper Paper Support Assy./Preview Monitor Unit External View Procedure for Removing Housing, Upper Printer Cover C.B.P 3x8 (4-6kgf•cm) 1 4 3 2 Dowels Carriage Unit 1. Release the dowels(x2) of "Printer Cover". Then remove the "Printer Cover" from "Housing Upper". 2. Remove the screws (x4) which secure "Housing, Upper". 3.
EPSON Stylus Photo R320 Revision B Procedure for Removing 2.3.4 Removing Housing, Middle External View Fixed spring, Core Housing, Middle Ferrite Core Two-sided Tape Housing, Lower Hook 2. Take off the two-sided tape which fixing the "Panel FFC" from "Housing Middle". 3. Remove the screw which secures "Cover, Ink Tube", release the hook and then remove "Cover, Ink Tube". 4. Remove the screws (x4) which secure "Housing, Middle". 5.
EPSON Stylus Photo R320 Revision B When removing "Housing, Middle", the grounding spring may detach and drop from "Main Board Unit". If this occurs, reattach it to its original position referring to the following figure. Make sure that "Panel FFC" is securely set and it is not reaching the upper edge of the rib of "Housing, Middle" as shown in the figure. Rib Keep some clearance here. Grounding Spring Figure 2-10.
EPSON Stylus Photo R320 Revision B 2.3.5 Removing Porous Pad, Paper Guide, Front, Left, Support Pars/Units which should be removed before removing "Porous Pad, Paper Guide, Front" Paper Support Assy./Preview Monitor Unit/Housing, Upper"/"Housing, Middle External View Procedure for Removing 1. Remove the following 3 types of porous pads from "Paper Guide, Front" using the tweezers.
EPSON Stylus Photo R320 Revision B Reinstalling "Porous Pad, Paper Guide, Front"/"Porous Pad, Paper Guide, Front, Support" Fold perpendicularly left and right sides of "Porous Pad, Paper Guide, Front, Support" at the marks and install it to "Paper Guide, Front". Make sure that the slit engages with the rib located on the side of "Paper Guide, Front" so that they will fit securely. Glue the three bond 1401 at 6 points indicated in Figure 2-13. Install "Porous Pad, Paper Guide, Front" in piles.
EPSON Stylus Photo R320 Revision B Parts/Units which should be removed before removing "Panel Board" 2.3.6 Removing Panel Board Paper Support Assy./Preview Monitor Unit/Housing, Upper External View Procedure for Removing Board Assy., Panel 2 4 C.B.P 3x8 (5-7kgf•cm) 1. Remove the screws (x4) which secure "Board Assy., Panel". Then, remove "Board Assy., Panel". 2. Remove the screw which secures "Panel Board". Then, remove "Panel Board" from "Shield Plate, LCD". 3.
EPSON Stylus Photo R320 Revision B Parts/Units which should be removed before removing "Stacker Assy." 2.3.7 Removing Stacker Assy. Paper Support Assy./Preview Monitor Unit/Housing, Upper/Housing, Middle External View Procedure for Removing 1. Release the dowel which secures "Stacker Assy." by using a flat-blade screwdriver or alike. Then, remove "Stacker Assy.". Match the dowels (x2) of "Stacker Assy." and the installing holes (x2) of "Housing, Lower". Right Left Stacker Assy.
EPSON Stylus Photo R320 Revision B Parts/Units which should be removed before removing "Main Board" 2.3.8 Removing Main Board Paper Support Assy./Preview Monitor Unit/Housing, Upper/Housing, Middle External View Procedure for Removing Main Board 1. Disconnect the connector cables below from "Main Board". Table 2-3. Connectors connected to "C582 Main Board" Two-Sided Tape Connector Cable Panel FFC Shield Plate, M/B C.B.P 3x8 (6-8kgf•cm) C.B.S 3x6 (6-8kgf•cm) 4 3 Main Board Assy.
EPSON Stylus Photo R320 Revision B External View Housing, Support Slot Assy. C.B.P 3x6 (4-6kgf•cm) Dowel 1 C.B 3x6 (4-6kgf•cm) C.B.S 3x4 (4-6kgfocm) Shield Plate, M/B 1 4 5 8 7 C.B 3x6 (4-5kgf•cm) 9. Remove the screws (x8) which secure "Shield Plate, M/B". Then, remove "Shield Plate, M/B". Reinstalling "Housing, Support Slot Assy." Match the dowels (x2) of "Housing, Support Slot Assy." and Reinstalling "Panel FFC" Make sure to match "Panel FFC" with the lateral face of 3 C.B.
EPSON Stylus Photo R320 Revision B Reattaching the Main Board Assy Connector cable for "Star Wheels/CDR Sensor" should be A D J U S T M E N T R E Q U IR E D routed as shown below. When having replaced "Main Board", implement the adjustment in the following order. (Refer to Chapter 3 "ADJUSTMENT") When possible to read data from the old board 1. EEPROM data copy When impossible to read from the old board 1. Replace "Waste Ink Pads" with new one. (To count the amount of the waste ink) 2.
EPSON Stylus Photo R320 Revision B Parts/Units which should be removed before removing "ASF Assy." 2.3.9 Removing ASF Assy. Paper Support Assy./Preview Monitor Unit/Housing, Upper/Housing, Middle/ Main Board Unit External View C.B.S C.B.S (P4) 3x6 3x8 (5-7kgf.cm) (5-7kgf•cm) C.B.S (P4) 3x8 (8-10kgf•cm) Procedure for Removing 2 3 1. Take off the Acetate Tape. Then remove connector cable of "PF Motor" and "PG Motor" from the hook on "ASF Assy". 2.
EPSON Stylus Photo R320 Revision B External View 4. Open "Hopper" and then remove "Compression Spring, 2.51". 5. Bow slightly down "Paper Back Lever" and release the dowels (x2) on the both sides in the order of 1 , 2 . Then, remove "Paper Back Lever". Compression Spring, 2.51 C A U T IO N Hopper Compression Spring, 0.31 Extension Spring, 0.45 Roller, Retard Assy. When remove the "Paper Back Lever", "Compression Spring0.31" comes off. Be careful to not loose it. 6.
EPSON Stylus Photo R320 Revision B When reassembling "ASF Assy." Make sure that "Extension Spring, 0.45" is hooked on Reinstalling "ASF Assy." Install "Compression Spring, 2.51" on "Hopper", then "Frame, ASF" and "Roller, Retard Assy.". Check if "Torsion Spring, 6.45" is correctly installed on "Paper Back Lever" and "Frame, ASF". check if "Hopper" moves smoothly. Screw in the order as shown in the figure. Make sure that there is no gap between "ASF Assy." and "Frame, Main".
EPSON Stylus Photo R320 Revision B Parts/Units which should be removed before removing "Holder, Shaft Assy." 2.3.10 Removing Holder, Shaft Assy. Paper Support Assy./Preview Monitor Unit/Housing, Upper/Housing, Middle/ Main Board Unit/ ASF Assy. External View 2 Cable, Head Procedure for Removing 80-digits Side Dowel Paper Guide, Upper PE Sensor Lever Carriage Unit Ribs 2 C.B.S 3x6 (6-8kgf•cm) 1. Move "Carriage Unit" toward 80-digits Side. 2.
EPSON Stylus Photo R320 Revision B External View Removing "LD Roller" Paper, Block 1. Release the dowels (x2) which secure "Paper, Block". Then, remove "Paper, Block". 2. Release the dowels (x2) which secure "Shaft, LD Roller". Then, remove "Shaft, LD Roller" and "Clutch" together from "Holder, Shaft, LD Roller". 3. Remove "LD Roller" from "Shaft, LD Roller". Dowel Dowel C A U T IO N Do not touch "LD Roller" with bare hands.
EPSON Stylus Photo R320 Revision B Reinstalling "Clutch" Make sure that the dowel of "Shaft, LD Roller" is fitted in Reinstalling "Holder, Shaft Assy." Check if the hooks (x2), the dowel and the ribs (x5) of the installing hole of "Clutch". Make sure that "Extension Spring, 0.143" is securely set on the hooks of "Clutch" and "Shaft, LD Roller". Do not set "Extension Spring, 0.143" in twisted form. Make sure that "Clutch" rotates correctly. "Holder, Shaft Assy." are correctly secured.
EPSON Stylus Photo R320 Revision B Procedure for Removing 2.3.11 Removing CR Motor External View Carriage Unit 1. Disconnect the connector cable of "CR Motor" from the connector (CN8) of "Main Board". 2. Release the carriage lock with the tweezers or alike, then move "Carriage Unit" to the centre of the printer. 3. Push "Pulley, Driven" in the direction of the arrow and loosen the tension of "Timing Belt". Then, remove "Timing Belt" from the pinion gear of "CR Motor". 4.
EPSON Stylus Photo R320 Revision B Parts/Units which should be removed before removing "APG Assy." 2.3.12 Removing APG Assy. Paper Support Assy./Preview Monitor Unit/Housing, Upper/Housing, Middle External View Procedure for Removing 1. Disconnect the connector cable of "PG Motor" from CN7 of "Main Board". 2. Release the connector cables of "PF Motor" and "PG Motor" from the following points. Take off the Acetate Tape(x2). Hook Remove from the hook on "ASF Assy".
EPSON Stylus Photo R320 Revision B Make sure that the hooks (x2) and the dowels (x2) of "APG Assy." are securely attached to "Frame, Main". Check if the part indicated in the following figure is inserted in the slits of "Frame, Main". It has to be inserted in the slit of "Frame, Main" Hook APG Assy. Dowel Figure 2-33. Reinstalling "APG Assy." Reattaching connector cable of PF Motor and PG Motor Tighten the screws in the order as shown in the figure.
EPSON Stylus Photo R320 Revision B 2.3.13 Removing Print Head External View 4. Slightly inflect the lower part of "Holder, FFC", release the hooks (x3) by sliding it downward. Then, remove "Holder, FFC". 5. Release the hooks (x2) which secure "Holder, IC", and remove "Holder, IC" upward. 6. Remove the screws (x2) which secure "Print Head" with Phillips screwdriver (No.1). 7. Disconnect "Cable, Head" from the connector of "Print Head" while slightly lifting "Print Head".
EPSON Stylus Photo R320 Revision B Parts/Units which should be removed before removing "Carriage Unit" 2.3.14 Removing Carriage Unit Paper Support Assy./Preview Monitor Unit/Housing, Upper/Housing, Middle/ Main Board Unit/APG Assy./Print Head External View Procedure for Removing Guide Plate, CR Fixed Spring, CR Shaft, Left C.B.S 3x6 (7-9kgf•cm) 3 4 6 Hook 2. Remove the screws (x6) which secure "Guide Plate, CR". 3. Release the ribs (x2) which secure "Guide Plate, CR".
EPSON Stylus Photo R320 Revision B External View E Ring Flat Washer Holder, Scale Left Bushing, Parallel Adjust, Right Holder, Scale, Right C.B.S (P4) 3x6 (6-8kgf•cm) Fixed Spring, CR Shaft, Right E Ring E Ring Flat Washer Spring Washer Cam, CR, Right Hook Remove the E ring, "Holder, Scale Right" and "Cam, CR, Right" from the right side of "CR Guide Shaft". 9. Remove the screw which secures "Bushing, Parallel Adjust, Right", Then, remove "Bushing, Parallel Adjust, Right". 10.
EPSON Stylus Photo R320 Revision B External View 16. Remove the screw which secures "Bushing, Parallel Adjust, Left". Then, remove "Bushing, Parallel Adjust, Left". Bushing, Parallel Adjust, Right C.B.S (P4) 3x6 (6-8kgf•cm) Holder, FFC ; B 17. Remove "Timing Belt" from "Carriage Unit". 2 C.P.B (P1) 1.7x5 (1.5-2.5kgf•cm) 18. Remove the screws which secure "Holder, FFC; B". Then, remove "Holder, FFC; B". 19. Remove "Cable, Head" from the connectors of "CSIC Board" and "CR Encoder Sensor Board".
EPSON Stylus Photo R320 Revision B External View Removing "PW Sensor Board" 1. Cap, PW Sensor Release the hooks (x3) which secure "Cap, PW Sensor". Then, remove "Cap, PW Sensor". PW Sensor Board C A U T IO N Connector When removing "Cap, PW Sensor", "PW Sensor Board" will be free. Therefore, take care not to damage "PW Sensor Board". Hooks 2. Removing "CSIC Board" Torsion Spring, Lever, Cartridge Hook Dowel Guide, IC Lever, Cartridge Slot and Dowel 1.
EPSON Stylus Photo R320 Revision B Reinstalling "Guide, IC" Screw in the order as shown in the figure. Reinstalling "Carriage Unit" Check if "Timing Belt" is correctly set to the installing groove of "Carriage Unit". Check if "Grounding Plate, Head" is installed to the proper position of "Carriage Unit". Reinstalling "CSIC Board" Check if "CSIC Board" is secured correctly. Reinstalling "PW Sensor Board" Check if "PW Sensor FFC" is correctly connected.
EPSON Stylus Photo R320 A D J U S T M E N T R E Q U IR E D Revision B When replacing the following parts or components with new ones, apply specified grease in its adequate dose. (Refer to Chapter 4 "MAINTENANCE") Cam, CR, Right/Left CR Guide Shaft Holder, Scale, Right/Left Pulley, Driven Assy. When having removed or replaced "Carriage Unit" or "CR Guide Shaft", implement the adjustment in the following order. (Refer to Chapter 3 "ADJUSTMENT") 1. 2. 3. 4. 5. 6.
EPSON Stylus Photo R320 Revision B Parts/Units which should be removed before removing "Paper Guide, 2.3.15 Removing Paper Guide, Upper Upper" External View Paper Support Assy./Preview Monitor Unit/Housing, Upper/Housing, Middle/ Main Board Unit/ASF Assy./Holder, Shaft Assy. Procedure for Removing Paper Guide, Upper Torsion Spring, 122.2 Paper Guide, Lower Roller PF Assy. 1. Move "Carriage Unit" to the home position. 2. Put a transparency between "Paper Guide, Upper" and "Roller PF Assy.".
EPSON Stylus Photo R320 2.3.16 Revision B Removing Printer Mechanism/ Housing, Lower External View 2 ± 1mm C.B 3x6 (4-5kgf•cm) C.B.S 3x6 (6-8kgf•cm) C.B.P 3x10 (6-8kgf•cm) 5 4 Acetate Tape Hooks 2 1 C.B.P 3x8 (4-5kgf•cm) Hook Handling Position 3 Paper Guide, CDR C.B.P 3x10 (6-8kgf•cm) 2 1 3 Figure 2-45. Removing "Printer Mechanism"/"Housing, Lower" (2) Parts/Units which should be removed before removing "Printer Screw, Frame, Main (6-8kgf•cm) Combination Gear, 27.2, 19.
EPSON Stylus Photo R320 C A U T IO N Revision B When lifting up "Printer Mechanism", "Lever, Change" and "Combination Gear, 27.2, 19.2" may detach and drop. Take care not to drop and damage them. Reinstalling "Printer Mechanism" For this printer, "Housing, Lower" is the standard to correctly install each part of "Printer Mechanism".
EPSON Stylus Photo R320 Revision B Make sure that "Waste Ink Pads" (x6) are set correctly to the rib and the dowel of "Housing, Lower". Waste Ink Pad, Small Waste Ink Pad, Upper (Top) Waste Ink Pad, Lower (Bottom) Figure 2-49. Reinstalling "Waste Ink Pads" (2) After checking "Waste Ink Tube" is under "Waste Ink Pad, Lower", put the jig on the indicated points in the figure below, then install "Porous Pad, Ink Eject, Upper, Support".
EPSON Stylus Photo R320 Revision B Screw "Printer Mechanism" and "Paper Guide, CDR" in the order as shown in the figure. Make sure that "Waste Ink Tube" is not squashed or pressed. Check if "Cap Assy." moves smoothly. A D J U S T M E N T R E Q U IR E D When having replaced "Waste Ink Pads" with new ones, implement the following adjustment.
EPSON Stylus Photo R320 Revision B Procedure for Removing 2.3.17 Removing Power Supply Unit External View Shield Plate, Upper 1. Remove the screw which secures "Power Supply Unit". Then, Remove "Power Supply Unit". 2. Remove the screws (x5) which secure "Shield Plate, Upper". 3. Release the hooks (x2) which secure "Shield Plate, Upper", and then remove "Shield Plate, Upper". 4. Remove the screws (x4) which secure "PSB/PSE Board", and then remove "PSB/PSE Board". 2 1 3 Power Supply Unit C.B.
EPSON Stylus Photo R320 Revision B 2.3.18 Removing CDR Guide Assy. External View Hooks C.B.P 3x6 (5-7kgf•cm) 2 Support Plate, Frame, Main C.B.S 3x6 (7-9kgf•cm) 1 CDR Guide, Lower 1 Hooks 2 Figure 2-53. Removing "CDR Guide Assy." (2) Acetate Tape Parts/Units which should be removed before removing "CDR Guide Assy." Connector Cable CDR Guide Assy. Link, CDR Right Paper Support Assy./Preview Monitor Unit/Housing, Upper/Housing, Middle/ Main Board Unit/ASF Assy./Holder, Shaft Assy./APG Assy.
EPSON Stylus Photo R320 Revision B External View 8. Remove "Compression Spring, 5.1" and "Lock, Stacker" from "CDR Guide, Upper". 9. Release the connector cable of "Star Wheel/CDR Sensor" from the groove of "CDR Guide, Upper". Reinstalling "Star Wheel/CDR Sensor" Match the Shaft (x2) of "CDR Guide, Upper" and the positioning hole of "Star Wheel/CDR Sensor". Route the connector cable correctly of "Star Wheel/CDR Groove Sensor" referring to the figure.
EPSON Stylus Photo R320 Revision B Parts/Units which should be removed before removing "Ink System" 2.3.19 Removing Ink System Paper Support Assy./Preview Monitor Unit/Housing, Upper/Housing, Middle/ Main Board Unit/ASF Assy./Holder, Shaft Assy./Printer Mechanism External View Procedure for Removing Support Plate, Frame, Main Sealing Rubber Part Hook Cap Assy. 1. Take off the acetate tape, then release the connector cable of "Star Wheel/ CDR Sensor". 2.
EPSON Stylus Photo R320 Revision B External View 9. Frame, Cap Slider, Cap Remove "Extension Spring, 0.441" from the hooks of "Slider, Cap" and "Frame, Cap" by using the tweezers. 10. Remove "Extension Spring, 0.788" from the hooks of "Lever, Lock, Slider" and "Frame, Cap" by using the tweezers. Lever, Lock, Slider 11. Remove the shaft of "Slider, Cap" from the slot of "Frame, Cap", then remove "Lever, Lock, Slider". Extension Spring, 0.788 12.
EPSON Stylus Photo R320 Revision B Set all of the gears on the shaft of "Pump Frame" correctly, and then check if they move smoothly. Make sure that the ink tube is not squashed or pressed. Install the ink tube to the grooves (x2) at the bottom surface of "Cap Frame". Figure 2-58. Installing Point for the ink tube Reinstalling "Ink System" Check if "Pump Assy." is correctly secured. Do not let "Lever, Change", "Combination Gear, 27.2, 19.2", "Spur Gear, 27.2" and "Combination Gear, 20.
EPSON Stylus Photo R320 Revision B Parts/Units which should be removed before removing "Paper Guide, 2.3.20 Removing Paper Guide, Front/Roller EJ Assy. Front"/"Roller EJ Assy." External View Spur Gear,37.242 PF Timing Belt Paper Support Assy./Preview Monitor Unit/Housing, Upper/Housing, Middle/ Main Board Unit/ASF Assy./Holder, Shaft Assy./APG Assy./Print Head/ Carriage Unit/Printer Mechanism/CDR Guide Assy. Guide, Shaft, Frame EJ, Right Spur Gear, 41.48 Procedure for Removing 1.
EPSON Stylus Photo R320 Revision B External View 9. Guide, Shaft, Frame EJ, Right Remove "Extension Spring, Push Up, Plate, Right" from the hooks (x2) of "Guide, Shaft, Frame EJ, Right". 10. Release the hook which secures "Paper Guide, Front", then remove "Paper Guide, Front". Hooks 11. Remove the "Porous Pad, Paper Guide, Front", "Porous Pad, Paper Guide, Left", and "Porous Pad, Paper Guide, Front, Support"(x3) with tweezers from "Paper Guide, Front". (Refer to 2.3.
EPSON Stylus Photo R320 Revision B External View 12. Remove "Grounding Spring, EJ Left (Right)" from "Roller EJ Assy.". 13. Release the dowels of both left and right "Bushing, 5" which secure "Roller EJ Assy.", then turn them in the direction of the arrow. 14. Pull out the right "Bushing, 5" rightward, and pull out the left edge of "Roller EJ Assy." from the left side of "Frame, Main" and then remove the Assy from right side of "Frame, Main".
EPSON Stylus Photo R320 Revision B Reinstalling "Paper Guide, Front" Make sure that the dowels and the hook of "Paper Guide, A D J U S T M E N T R E Q U IR E D When replacing "Roller EJ Assy.", apply G-26 grease in the adequate dose to the specified points. When having removed or replaced "Paper Guide, Front", Front" are correctly secured to "Frame, Main". implement the following adjustment. (Refer to Chapter 3 "ADJUSTMANT") 1. 2. 3. 4.
EPSON Stylus Photo R320 Revision B Procedure for Removing 2.3.21 Removing PF Motor External View Spur Gear, 37.242 PF Timing Belt Spur Gear, 41.48 Pinion Gear 4 1. Remove "PF Timing Belt" from "Spur Gear, 37.242", then remove "Spur Gear, 41.48". 2. Remove "Compression Spring, 1.27" and "Holder, Idle Roller" together with "Timing Belt". 3. Remove the nuts (x4) which secure "PF Motor", then remove "PF Motor". PF Motor 1 C A U T IO N 2 Compression Spring, 1.
CHAPTER 3 ADJUSTMENT
EPSON Stylus Photo R320 Revision B 3.1 Adjustment Items and Overview This chapter describes adjustments to be made after the disassembly/reassembly of this product. 3.1.1 Servicing Adjustment Item List The adjustment items of this product are as follows. For details of the adjustment items, refer to the detailed procedures and sketches of the adjustment items. Adjustment items Table 3-1.
EPSON Stylus Photo R320 Revision B Table 3-1. Adjustment Items Adjustment items Function Item Purpose Method Outline Tool Used Media First Dot Adjustment This adjustment is made to correct the First Dot Position in the CR main scanning direction. Select and execute this function in the exclusive servicing program. Enter the correction value in the program using the rule position of the print pattern as a reference. The correction value is saved to the specific EEPROM address on the Main Board.
EPSON Stylus Photo R320 Revision B Table 3-3. Check Pattern Printing Check pattern items Function Item Purpose Adjustment Outline Tool Used Media A4 Normal Paper Print This pattern is used to check whether all adjustment results are normal. Select this function in the exclusive servicing program, print the print patterns, and check the adjustment result in each pattern.
EPSON Stylus Photo R320 Revision B 3.1.2 Replacement Part-Based Adjustment Priorities Note: The following table shows the adjustment items and their order for the replacement parts. "Required" in this table indicates the adjustment items that must be implemented when the corresponding parts/units have been removed or replaced. "Recommended", on the other hand, indicates those which are recommended the adjustment after removing or replacing them. "-" means the adjustment is not needed.
EPSON Stylus Photo R320 Performance Priority Revision B 1 EEPROM Data Copy 2 3 Market Setting USB ID Input 4 Waste Ink Pad Counter 5 Ink Charge 6 Head ID Input 7 PG Adjustment 8 First dot Adjustment 9 PW Sensor Adjustment 10 Head Angular Adjustment 11 Bi-d Adjustment 12 Offset Input for CR Motor Calorific Limitation "Paper Eject Roller" Removal - - - - - - - - - - - - "Paper Eject Roller" Replacement - - - - - - - - - - - - "PSB/PSE Board" Removal - - - - -
EPSON Stylus Photo R320 Revision B 3.2 Adjustment by using adjustment program 3.2.1 Market Setting The procedures of the adjustment items will be explained here. The intended item is as follows. [Adjustment Procedure] 1. Select the Market Setting of the Adjustment Program. Market Setting 2. Click the [OK] button to write the specific data into EEPROM. USB ID Input 3. Click the [Check] button to check market and model name. Head ID Input Head Angular Adjustment Bi-d Adjustment 3.2.
EPSON Stylus Photo R320 Revision B 3.2.4 Head Angular Adjustment 3.2.5 Bi-d Adjustment [Adjustment Procedure] [Adjustment Procedure] 1. Select Head Angular Adjustment in the Adjustment Program. 1. Select Bi-D Adjustment in the Adjustment Program. 2. Click the [Print] button to print Head Angular Adjustment Pattern. 2. Click the [Print] button to print Bi-D Adjustment Pattern. 3. Select the value of pattern which is most straight among the patterns. 3. 4.
EPSON Stylus Photo R320 Revision B 3.2.6 PW Sensor Adjustment 3.2.7 First Dot Adjustment [Adjustment Procedure] [Adjustment Procedure] 1. Select PW Sensor Adjustment in the Adjustment Program. 1. Select First Dot Adjustment in the Adjustment Program. 2. Click the [Print] button to print PW Sensor Adjustment Pattern. 2. Click the [Print] button to print First Dot Adjustment Pattern. 3. Select the pattern number 5mm away from each edge. 3. 4.
EPSON Stylus Photo R320 Revision B 3.2.8 Offset Input for CR Motor Calorific Limitation [Adjustment Procedure] 1. Select Offset Input for CR Motor Calorific Limitation in the Adjustment Program. 2. Check each box of the replaced parts/units checklist and then click the [OK] button. 3.2.9 A4 Normal Paper Print [Adjustment Procedure] 1. Select A4 Normal Paper Print in the Adjustment Program. 2. Click the [Print] button to print A4 Normal Paper Print Pattern. 3.
EPSON Stylus Photo R320 Revision B 3.3 Adjustment Except Adjustment Program Following is adjustment except Adjustment Program. 3.3.1 PG Adjustment [Adjustment Procedure] 1. Make both sides of the two Thickness Gauge (1.15mm and 1.31mm) clean by wiping with Bemcot with a little alcohol. 2. To make the PG position minus (-), turn the gear of "APG Assy." and match the flag centre of "Cam, CR, Right" with "PG Sensor". [Purpose] Cam, CR, Right Gear of "APG Assy.
EPSON Stylus Photo R320 5. Revision B Move "Carriage Unit" to the left edge of the printer, then set the Thickness Gauge (1.15mm) on the left ribs (X3) of "Paper Guide, Front". 7. Remove the Thickness Gauge and move "Carriage Unit" to the right edge. Then, set the Thickness Gauge on the right ribs (X3) of "Paper Guide, Front". Ribs Ribs Thickness Gauge Thickness Gauge Figure 3-7. Setting Thickness Gauge 6. Figure 3-9.
EPSON Stylus Photo R320 9. Revision B After finishing PG Adjustment on the right, move "Carriage Unit" to the left edge again, then check PG according to the flowchart in the Figure 3-11. 11. Check PGs on both the left and right according to the flowchart in the Figure 3-12. Start Start Check left PG. Move "Carriage Unit" to the right by using "Timing Belt". Does the Thickness Gauge move? Note: Take down toward the printer front by 1 notch: PG gets narrower.
EPSON Stylus Photo R320 Revision B 3.4 Firmware Updating 3. Automatic execution of updating Updating is executed automatiaclly, After updating start operation executed. The Controller Firmware (Direct Print section, Storage section) of this printer can be updated using a memory card* (CF/Smart Media/Memory Stick/xD-Picture Card). *Limited to a 128MB or less memory card.
EPSON Stylus Photo R320 Revision B 3.4.2 Abnormal Updating Termination If a Firmware updating was unsuccessful for some reason, an error is displayed by factor. Table 3-6. Errors and Remedies Error Details Display Remedy Memory Card Initialization Error The initialization of the memory card inserted is not completed. PROGRAM DOWNLOAD MODE CARD INITIALIZE ERROR 1. Power off the printer and attempt updating again. 2. Replace the media. 3. Replace the Board.
CHAPTER 4 MAINTENANCE
EPSON Stylus Photo R320 Revision B 4.1 Overview 4.1.2 Service Maintenance This section provides information to maintain the printer in its optimum condition. If print irregularity (missing dot, white line, etc.) has occurred or the printer indicates "Maintenance Error", take the following actions to clear the error. Head Cleaning 4.1.1 Cleaning This printer has no mechanical components which require regular cleaning except the Print Head.
EPSON Stylus Photo R320 1. Revision B Select EPSON Status Monitor 3 in the Printer Driver Utility. Then make sure that the printer connected to Status Monitor 3 is on standby status. If it is on standby, the following will be displayed. Maintenance Request Error Ink is used for operations such as Head Cleaning as well as printing. In that case, the ink is drained into the Waste Ink Pad and its amount is counted in the Waste Ink Counter set in the EEPROM on the control board.
EPSON Stylus Photo R320 Revision B Refer to the following figures for the lubrication points. 4.1.3 Lubrication The lubrication used for the components of Stylus Photo R320 has been decided on based on evaluation carried out by Epson. As a result, the specified amount of lubricant should be applied in the places specified when carrying out repair and maintenance work.
EPSON Stylus Photo R320 Revision B Paper Guide, Front Back of contact point between "Roller, PF" and hook of "Paper Guide, Front" 1. Contact point between "Frame, EJ" and its shaft inside "Guide, Shaft, Frame EJ Left" 2. Contact point between "Frame, EJ" and its shaft on upper surface of "Push Up Plate Frame EJ Left" Guide, Shaft, Frame EJ Left Roller, PF G-26 1 1 1. G-26 2.
EPSON Stylus Photo R320 Revision B Contact point between "Guide Shaft Frame EJ Rjght" and "Paper Guide, Front" G-26 1. Surface of contact point between upper side of "Cam, CR, Left" and "Frame, Main" 2. Surface of contact point between periphery surface of "Cam, CR, Left" and "Bushing, Parallel Adjust, Left" 3mm 1. G-63 2.
EPSON Stylus Photo R320 Revision B 1. Groove on the right side of "CR Guide Shaft" (Groove for "Fixed Spring, Shaft CR, Left") 2. Contact point between right side of "CR Guide Shaft" and "Frame, Main" 2 2 CR Guide Shaft 1 Contact point between left side of "CR Guide Shaft" and "Fixed Spring, Shaft CR, Left" CR Guide Shaft G-63 1. G-63 2. G-63 3mm 1. Half periphery 2.
EPSON Stylus Photo R320 Holder, Scale, Right Revision B Upper surface Specified points on "Holder, Scale, Right" in the figure on the left 1. Upper surface of curving area of "Holder, Idle Roller" 2. Lower surface of curving area of "Holder, Idle Roller" 1 Upper surface G-63 Both sides 1. G-26 2. G-26 Both sides 8 points (Adequate dose) 2 1. 2 points (Adequate dose) 2.
EPSON Stylus Photo R320 Revision B "CR Guide Shaft" outside the bearing of the Carriage Contact point between "Grounding Plate, Head" and "Carriage" Grounding Plate, Head G-63 G-63 120mg-160mg x 2 points Adequate dose 1. Use a syringe to apply it 2.
EPSON Stylus Photo R320 Paper Back Lever Revision B Point shown in the figure of "Paper Back Lever" set in "ASF Assy." 1. Point shown in the figure left. 2. Contacted site of "Paper Back Lever" with the dowel. 1 G-46 1. G-46 2.
CHAPTER 5 APPENDIX
EPSON Stylus Photo R320 Revision B 5.1 Exploded Diagram 5.2 Electrical Circuits An exploded diagram is not provided in the Stylus Photo R320 Service Manual. If consultation of an exploded diagram is necessary, see the Exploded Diagram attached to the Stylus Photo R320 Parts List.
Model : PM-D770/Stylus Photo R320 Board : C582MAIN Rev.
Model : PM-D770/Stylus Photo R320 Board : C582MAIN Rev.
Model : PM-D770/Stylus Photo R320 Board : C536PSB Rev.
Model : Stylus Photo R320 Board : C536PSE Rev.
Model : PM-D770/Stylus Photo R320 Board : C582PNL Rev.
Model : PM-D770/Stylus Photo R320 Board : C582SUB Rev.
