SERVICE MANUAL REVERSING AUTOMATIC DOCUMENT FEEDER MR-3018/3020/3021/3022 Model: MR-3018/3020/3021/3022 Publish Date: June 2005 File No.
Trademarks • • • • • • The official name of Windows XP is Microsoft Windows XP Operating System. The official name of Windows 7 is Microsoft Windows 7 Operating System. Microsoft, Windows, Windows NT, Windows Vista and the brand names and product names of other Microsoft products are trademarks or registered trademarks of Microsoft Corporation in the U.S. and/or other countries. Molykote is a registered trademark of Dow Corning Corporation. FLOIL is a registered trademark of Kanto Kasei Ltd. CORPORATION.
General Precautions for Installation/Servicing/Maintenance for the MR-3018/3020/3021/3022 The installation and service shall be done by a qualified service technician. 1) When installing the MR-3018/3020/3021/3022 to the Equipment, be sure to follow the instructions described in the “Unpacking/Set-Up Procedure for the MR-3018/3020/3021/3022” booklet which comes with each unit of the MR-3018/3020/3021/3022. 2) The MR-3018/3020/3021/3022 should be installed by an authorized/qualified person.
CONTENTS 1. SPECIFICATIONS......................................................................................................... 1-1 2. GENERAL DESCRIPTION............................................................................................ 2-1 2.1 2.2 2.3 2.4 2.5 2.6 Main Components................................................................................................................ 2-1 Sectional View .....................................................................................
7.2 Rewriting ROM (Firmware Updating)................................................................................... 7-2 8. CIRCUIT DIAGRAM / HARNESS DIAGRAM ............................................................... 8-1 8.1 Assembly of PC Board......................................................................................................... 8-1 8.2 Circuit Diagram .................................................................................................................... 8-2 8.
1. SPECIFICATIONS 1 Item MR-3018/3020 MR-3021/3022 Maximum number of originals on the original feeding tray Up to 100 sheets or 16 mm in height. * 35 - 80 g/m2 (9.3 - 21.3 lb. Bond) ← Acceptable paper size A5-R, A4, A4-R, B5, B5-R, B4, A3, FOLIO, ST-R, LT, LT-R, LG, LD, COMPUTER ← Acceptable paper weight 1-sided: 35 - 157 g/m2 (9.3 lb. Bond - 58 lb. Cover) 2-sided: 50 - 157 g/m2 (13.3 lb. Bond - 58 lb.
MR-3018/3020/3021/3022 SPECIFICATIONS © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved 1-2
2. GENERAL DESCRIPTION 2.1 Main Components Original tray section Drive/Control section Original exit tray section Feeding/Transporting section Fig.
2.2 Sectional View R8 R4 R2 R3 R1 TRY2 TRY3 TRY1 R5 R6 R7 FLP1 R9 FLP2 Fig.
2.3 Electric Parts Layout ADF SOL2 SOL1 M1 2 M4 M2 M3 S2 S11 S7 S6 S12 S1 S3 S5 SW1 S9 S8 S4 S10 Fig.
2.4 Symbols and Functions of Various Components 1) Motors Symbol Name Function M1 Original feed motor Drives the original feed roller, pickup roller and registration roller. M2 Read motor Transports originals by driving the intermediate transport roller, front read roller, rear read roller and reverse registration roller. M3 Original exit/reverse motor Drives the original exit/reverse roller. M4 Fan motor Cools off the ADF drive section and ADF board.
2.
2.6 Description of Interface Signals The following 6 lines are used to transmit/receive signals between the equipment and the RADF. REQ ......................Communication request signal (from equipment to the RADF) DF-REQ ................Communication request signal (from the RADF to equipment) DF-ACK.................Communication request acknowledging signal (from the RADF to equipment) ACK.......................Communication request acknowledging signal (from equipment to the RADF) TxD ................
3. DESCRIPTION OF OPERATIONS 3.1 DRIVE SYSTEM Feed motor drive section 3 Read motor drive section Exit/reverse motor drive section Fig. 3-1 3.1.1 Outline Originals are transported by the original feed motor, read motor and original exit/reverse motor. Each motor has a drive section for the following operations: Original feed motor drive section: Read motor drive section: picks up originals and drives the registration roller. transports originals and drives parts such as the pre-reading roller.
3.1.2 Original feed motor drive section Original feed motor Oneway clutch Pickup roller Feed roller Oneway clutch Separation roller Pickup Registration roller Feed Fig. 3-2 When an original is placed on the original tray and the RADF receives a feed request signal from the equipment, the feeding of the original is started. The original empty sensor detects the presence of the original, and then the pickup roller is lowered by the drive from the original pickup solenoid.
3.1.3 Read motor drive section Read motor Reverse registration roller Post-reading roller 3 Pre-reading roller Intermediate transfer roller Fig. 3-3 The transported original is driven by the read motor. Then the original is transported to a scanning start position by the intermediate transfer roller and prereading roller. The original transported to the scanning start position is then scanned in the scanner function of the equipment.
3.1.4 Original exit/reverse motor drive section Gate solenoid Reverse flap Exit/reverse motor Exit Exit/reverse roller Reverse Fig. 3-4 When the data of the original have been scanned, the original is exited to the original exit tray by the exit/reverse roller driven by the exit motor (shown in a solid line in the figure).
3.2 Original Size Detection The original tray width sensor, original length detection sensor, and original width detection sensors-1 and -2 work in combination to detect the size of originals. Original tray width sensor Original width detection sensor-1 Original width detection sensor-2 3 Original length detection sensor Fig. 3-5 3.2.1 Outline When an original is placed on the original tray, the width of the original is detected by the positions of the original width guides.
3.2.3 Original width detection sensors-1 and -2 / Original length detection sensor The size of the original is determined by the detection performed in combination of the original width detection sensors-1 and -2 and the original length detection sensor, as well as the detection performed by the original tray width sensor.
LT series (ORG-SRS: 0) Original length detection sensor OFF ON Original width sensor-1 OFF ON ON ON ON Original width sensor-2 OFF OFF ON OFF ON Size determined Original tray width ST-R 8.5x8.5 A4 LT-R / LG / COMP / 13”LG LD - Size determined Original tray width LT series (width sizes mixed at LD / LT standard) Original length detection sensor ON OFF Original width sensor-1 ON ON OFF ON Original width sensor-2 ON OFF OFF ON 3 LD COMP LT-R / LG / 8.5x8.
3.3 FLOW CHART Power ON Standby YES RADF jam access cover OPEN? NO NO All sensors OFF? Jam YES NO Empty sensor ON? YES NO Feed request signal received? Standby YES Original on feeding tray? NO Jam YES D Pickup solenoid ON, pickup roller goes down, feed motor rotates forward.
A NO Original registration sensor ON? YES A certain period of time passed? Feed motor stops after transporting for a certain period of time. NO 3 YES Jam A certain period of time passed? NO YES Registration roller rotates. (Feed motor rotates reverse.) Read motor rotates. Paper transported before the intermediate transport roller? Monitoring registration sensor by parallel processing. Feed motor stops when registration sensor detects trailing edge of original. Skip to D .
B Original intermediate transport sensor ON? NO YES A certain period of time passed? Feed motor and read motor stop after transporting for certain period of time. NO YES Jam Feed request signal received? NO YES Duplex? YES NO E Registration roller also rotates, while read motor rotates and registration sensor ON. Transport for a certain amount of distance completed? NO YES Scanning start signal sent (level: High) Exposure and scanning start.
C Original exit/reverse sensor ON? NO YES A certain period of time passed? Original exit/reverse motor rotates. NO YES 3 Jam NO Read sensor OFF? YES A certain period of time passed? NO YES Scanning start signal sent (level: High) D Original exit/reverse sensor OFF? Scanning completed. NO YES A certain period of time passed? Read motor stops. NO YES Jam Transport for a certain amount of distance completed? NO YES Original exit/reverse motor stops.
E Registration roller also rotates, while read motor rotates and registration sensor ON. Gate solenoid ON Transport for a certain amount of distance completed? NO YES Scanning start signal sent (level: High) Original exit/reverse sensor ON? Exposure and scanning start. NO YES A certain period of time passed? Original exit/reverse motor rotates. NO YES Jam Read sensor OFF? YES A certain period of time passed? NO YES Scanning start signal sent (level: Low) Scanning completed.
F Original exit/reverse sensor OFF? NO YES NO A certain period of time passed? Transport for a certain amount of distance completed? NO YES 3 Jam YES Original exit/reverse motor and read motor stop. After a certain period of time, original exit/reverse motor reverses, read motor starts, reverse roller aligns original, and then system reboots.
G Scanning start signal sent (level: High) Original exit/reverse sensor ON? Exposure and scanning start. NO YES A certain period of time passed? Original exit/reverse motor rotates. NO YES Jam NO Read sensor OFF? YES NO A certain period of time passed? YES Scanning start signal sent (level: Low) Original exit/reverse sensor OFF? Scanning completed.
H Original exit/reverse motor and read motor stop. After a certain period of time, original exit/reverse motor reverses, read motor starts, reverse roller aligns original, and then system reboots. 3 Original intermediate transport sensor ON? NO YES A certain period of time passed? NO YES Jam Original exit/reverse sensor OFF? NO YES A certain period of time passed? NO Transport for a certain amount of distance completed? NO YES Jam YES Original exit/reverse motor and read motor stop.
3.4 3.4.1 DESCRIPTION OF CIRCUIT Drive Circuit for Feed Motor Fig. 3-6 This circuit controls the rotation/stoppage and the direction of rotation, excitation mode and motor current of the feed motor. A drive clock signal (FMOT-CLK) and rotation direction signal (FMOT-CW/CCW) are input to control the speed and direction of the motor rotation. When the level of the enabling signal (FMOT-Enable) is set to "L", motor current is turned OFF regardless of the state of other signals.
3.4.2 Drive Circuit for Read Motor 3 Fig. 3-7 This circuit controls the rotation/stoppage and the direction of rotation, excitation mode and motor current of the read motor. A drive clock signal (RMOT-CLK) and rotation direction signal (RMOT-CW/CCW) are input to control the speed and direction of the motor rotation. When the level of the enabling signal (RMOT-Enable) is set to "L", motor current is turned to OFF regardless of the state of other signals.
3.4.3 Drive Circuit for Exit Motor Fig. 3-8 This circuit controls the rotation/stoppage and the direction of rotation, excitation mode and motor current of the exit motor. A drive clock signal (EMOT-CLK) and rotation direction signal (EMOT-CW/CCW) are input to control the speed and direction of the motor rotation. When the level of the enabling signal (EMOT-Enable) is set to "L", motor current is turned OFF regardless of the state of other signals.
3.4.5 Reset Circuit Fig. 3-10 This circuit generates a reset signal when the power is turned ON and the power voltage is blocked or cut off/lowered temporarily. At the power-ON, the circuit shifts the level of the reset signal from “L” to “H” to put the CPU in a operative state after the reset pulse duration (Tpd) determined by the capacitance of C58 has passed from when the power voltage has reached the supervisory voltage (Vs) divided by R116 and R117.
3.4.7 Drive Circuit for Gate Solenoid Fig. 3-12 Gate solenoid driven by the driver transistor (Q1) is a solenoid which is used to switch an original into the reverse tray when in the duplex scanning mode. When the GSOL-ON-Signal level is set to “L”, the reverse flap goes down and the original is transported to the reverse tray.
4. 4.1 DISASSEMBLY AND ASSEMBLY Cover [A] Front cover (1) Open the RADF and remove 3 screws. 4 Fig. 4-1 (2) (3) Close the RADF. Open the jam access cover and remove 2 screws. Fig. 4-2 (4) Take off the front cover toward you. Front cover Fig.
[B] Rear cover (1) Open the jam access cover and remove 4 screws. Fig. 4-4 (2) Raise the original tray and take off the rear cover upward. Rear cover Fig. 4-5 [C] Jam access cover (1) (2) (3) Take off the front cover. ( P. 4-1 "[A] Front cover") Take off the rear cover. ( P. 4-2 "[B] Rear cover") Remove 1 clip and then the dial and pin. Pin Dial Clip Fig.
(4) Remove 1 screw and the hinge pin. Hinge pin Fig. 4-7 (5) Take off the jam access cover by sliding it. Jam access cover 4 Fig. 4-8 [D] Left cover (1) Remove 2 screws and take off the left cover. Left cover Fig.
[E] Original tray (1) Take off the front cover. ( P. 4-1 "[A] Front cover") (2) Take off the rear cover. ( P. 4-2 "[B] Rear cover") (3) Take off the paper feeder unit. ( P. 4-6 "[A] Paper feeder unit") (4) Remove 2 screws. Lift up the feeder upper guide by sliding it to the right. Note: Do not pull the harness too strong. Feeder upper guide Fig. 4-10 (5) Disconnect 1 connector from the RADF control PC board. Fig. 4-11 (6) (7) Remove 1 screw and take off the bushing. Take off the original tray.
[F] Original reverse tray (1) (2) Take off the original tray. ( P. 4-4 "[E] Original tray") Remove 1 screw and take off the original reverse tray. Original reverse tray Fig.
4.2 Roller [A] Paper feeder unit (1) (2) Open the jam access cover. Remove 2 screws and take off the bracket. Bracket Fig. 4-14 (3) Remove 1 clip and slide 2 bushings. Clip Fig. 4-15 (4) Take off the paper feeder unit. Paper feeder unit Fig.
[B] Pickup roller [PM] (1) (2) Take off the paper feeder unit. ( P. 4-6 "[A] Paper feeder unit") Remove 1 clip and pull out the shaft. Take off the pickup roller. Shaft Clip Pin Pickup roller Fig. 4-17 Notes: 1. Be careful not to drop the pin because it will come off when the shaft is pulled out. 2. Make sure you assemble the pickup roller with the one-way clutch in the correct direction. 4 Lock Lock Fig. 4-18 [C] Feed roller [PM] (1) (2) Take off the paper feeder unit. ( P.
(3) Slide the pulley and remove 1 pin. Pin Pulley Fig. 4-20 (4) Pull out the shaft and take off the feed roller. Feed roller Shaft Fig. 4-21 Note: Make sure you assemble the feed roller with the one-way clutch in the correct direction. Lock Lock Fig.
[D] Separation roller [PM] (1) Take off the paper feeder unit. ( P. 4-6 "[A] Paper feeder unit") (2) Remove 2 screws. Slide the feeder upper guide to the right and raise it. Note: Do not pull the harness out with too much force. Feeder upper guide Fig. 4-23 (3) Remove 2 screws and take off the separation roller holder and separation roller unit. 4 Separation roller unit Separation roller holder Fig. 4-24 (4) Remove 1 bushing and clip, and then take off the separation roller.
[E] Feeder lower guide (1) (2) (3) Take off the original tray. ( P. 4-4 "[E] Original tray") Take off the paper feeder unit. ( P. 4-6 "[A] Paper feeder unit") Remove 2 screws and take off the stay. Stay Fig. 4-26 (4) Take off the jam access guide. Jam access guide Fig. 4-27 (5) Remove 4 screws. Disconnect 1 connector and take off the feeder lower guide. Feeder lower guide Fig.
[F] Registration roller (1) (2) (3) Take off the feeder lower guide. ( P. 4-10 "[E] Feeder lower guide") Take off the original feed motor drive section. ( P. 4-21 "[E] Original feed motor drive section") Remove 1 E-ring and 1 bushing from the front side of the registration roller shaft. Also, remove 1 bushing, 1 pulley, 1 E-ring and 1 bushing from the rear side of the shaft, and then take off the registration roller. Bushing Registration roller E-ring Bushing Pulley Bushing E-ring Fig.
(6) Take off the jam access guide. Jam access guide Fig. 4-32 (7) Pull out the exit guide. Exit guide Fig. 4-33 (8) Take off the exit/reverse roller. Exit/reverse roller Fig.
[H] Pre-reading guide (1) (2) (3) (4) (5) Take off the front cover. ( P. 4-1 "[A] Front cover") Take off the rear cover. ( P. 4-2 "[B] Rear cover") Take off the jam access cover. ( P. 4-2 "[C] Jam access cover") Take off the left cover. ( P. 4-3 "[D] Left cover") Remove 1 screw and take off the hinge pin. Hinge pin Fig. 4-35 (6) Disconnect 2 connectors. Remove 2 screws and take off the pre-reading guide. 4 Pre-reading guide Fig.
[J] (1) (2) (3) Pre-reading roller Take off the pre-reading upper guide. ( P. 4-13 "[H] Pre-reading guide") Take off the read motor drive section. ( P. 4-19 "[C] Read motor drive section") Remove 1 bushing, 1 screw, 1 pulley and 1 bearing from the rear side of the pre-reading roller shaft. Screw Bearing Bushing Pulley Fig. 4-38 (4) (5) Remove 1 clip and 1 bushing from the front side of the pre-reading roller shaft. Take off the pre-reading roller. Pre-reading roller Bushing Clip Fig.
(3) (4) Take off the read motor drive section. ( P. 4-19 "[C] Read motor drive section") Remove 1 bushing, 1 E-ring and 1 pulley from the rear side of the post-reading roller shaft. Loosen 2 setscrews and take off 1 flange. Take off 1 bearing. Flange Bushing Bearing Pulley E-ring Fig. 4-41 (5) Remove 1 clip and 1 bushing from the front side of the post-reading roller shaft. 4 Bushing Clip Fig. 4-42 (6) Open the RADF. Remove 4 screws, take off 2 holders and platen guide.
(7) Remove 2 screws. Open the post-reading lower guide and take off the post-reading upper guide. Post-reading upper guide Fig. 4-44 (8) Take off the post-reading roller. Post-reading roller Fig. 4-45 [L] Reverse registration roller (1) (2) Take off the post-reading roller. ( P. 4-14 "[K] Post-reading roller") Remove 1 E-ring, 1 pulley, 1 pin and 1 bushing from the rear side of the reverse registration roller shaft. Pin Bushing E-ring Bushing Pulley Fig.
(3) Remove 1 clip and 1 bushing from the front side of the reverse registration roller shaft. Bushing Clip Fig. 4-47 (4) Open the RADF. Take off the reverse registration roller. 4 Reverse registration roller Fig.
4.3 Motor / Motor drive section [A] Fan motor (M4) (1) (2) Take off the rear cover. ( P. 4-2 "[B] Rear cover") Disconnect 1 connector. Then remove 2 screws to take off the fan motor. Connector Fan motor Fig. 4-49 [B] Read motor (M2) (1) (2) (3) Take off the rear cover. ( P. 4-2 "[B] Rear cover") Take off the fan motor. ( P. 4-18 "[A] Fan motor (M4)") Disconnect 1 connector. Then remove 2 screws to take off the read motor. Connector Read motor Fig.
[C] Read motor drive section (1) (2) (3) Take off the rear cover. ( P. 4-2 "[B] Rear cover") Take off the fan motor. ( P. 4-18 "[A] Fan motor (M4)") Disconnect 1 connector, and then remove 1 spring. (Spring: Outside diameter of coil – ø10.2 mm, active coils – 12.5) Connector Spring Fig. 4-51 (4) Remove 3 screws, and then take off the read motor with its bracket. Note: When the unit is being assembled, temporarily tighten the screws removed at step (3), and then attach the spring removed at step (2).
(7) Remove 3 screws and then take off the bracket. Bracket Fig. 4-54 (8) Take off 1 timing belt and 4 bushings. Timing belt Bushing Bushing Fig. 4-55 (9) Loosen 1 screw of the belt tensioner. (10) Remove the 2 E-rings, and then take off the pulley and timing belt. Note: When the unit is being assembled, first install the parts removed at steps (5), (6), (7) and (9), and attach the spring removed at step (4) next. Then tighten the screw loosened at step (8). Screw Tensioner Timing belt E-ring Fig.
[D] Original feed motor (M1) (1) (2) Take off the rear cover. ( P. 4-2 "[B] Rear cover") Disconnect 1 connector. Then remove 2 screws to take off the original feed motor. Original feed motor Connector Fig. 4-57 4 [E] Original feed motor drive section (1) (2) Take off the rear cover. ( P. 4-2 "[B] Rear cover") Disconnect 1 connector, and then remove 1 spring. (Spring: Outside diameter of coil – ø9.6 mm, acceptable turns of coil – 12 turns) Connector Spring Fig.
(4) (5) Release the harness from 3 harness clamps. Remove 1 E-ring and take off the bushing. Harness clamp E-ring Harness clamp Bushing Fig. 4-60 (6) (7) Disconnect 3 terminals of the switch. Remove 4 screws, and then take off the bracket. Note: When connecting the terminal, make sure that the color of the harness is correct. Bracket White Red Black Fig. 4-61 (8) Take off the timing belt, bushings and pulley. Pulley Bushing Timing belt Fig.
[F] Original exit/reverse motor (M3) (1) (2) Take off the original feed motor drive section. ( P. 4-21 "[E] Original feed motor drive section") Disconnect 1 connector from the RADF control PC board. Fig. 4-63 (3) Remove 2 screws, and then take off the original exit/reverse motor with its bracket. Original exit/reverse motor Fig. 4-64 (4) Remove 2 screws, and then take off the original exit/reverse motor by sliding it from the bracket. Original exit/reverse motor Bracket Fig.
4.4 Solenoid [A] Original pickup solenoid (SOL1) (1) (2) Take off the original feed motor drive section. ( P. 4-21 "[E] Original feed motor drive section") Disconnect one connector. Remove 2 screws and take off the original pickup solenoid with the bracket. Connector Original pickup solenoid Fig. 4-66 (3) Remove 2 screws and take off the original pickup solenoid from the bracket. Original pickup solenoid Bracket Fig.
[B] Gate solenoid (SOL2) (1) (2) Take off the original pickup solenoid. ( P. 4-24 "[A] Original pickup solenoid (SOL1)") Disconnect one connector. Remove 2 screws and take off the gate solenoid with the bracket. Gate solenoid Connector Fig. 4-69 (3) Remove 2 screws and take off the gate solenoid from the bracket. Gate solenoid Fig. 4-70 Note: When installing the gate solenoid, be sure to align the edge of the bracket with the markoff line on the frame. Mark-off line Fig.
4.5 Sensor/switch [A] Original tray width sensor (S2) (1) (2) Take off the original reverse tray. ( P. 4-5 "[F] Original reverse tray") Remove 2 screws. Release 8 latches and separate the original tray into 2 parts. Fig. 4-72 (3) (4) Remove 1 screw and take off the cover. Disconnect 1 connector and take off the original tray width sensor. Cover Connector Original tray width sensor Fig. 4-73 Note: If washers (3 pcs) and a pinion come off, assemble them in the order as shown in the illustration.
[B] Original tray sensor (S1) (1) (2) Take off the original reverse tray. ( P. 4-5 "[F] Original reverse tray") Remove 2 screws. Release 8 latches and separate the original tray into 2 parts. Fig. 4-75 (3) Remove 2 screws and take off the holder. 4 Holder Fig. 4-76 (4) Release 2 latches and take off the original tray sensor. Original tray sensor Fig.
[C] Jam access cover sensor (S11) (1) (2) Open the jam access cover. Remove 1 screw and take off the metal plate cover. Metal plate cover Fig. 4-78 (3) Disconnect 1 connector. Release 2 latches and take off the jam access cover sensor. Jam access cover sensor Fig. 4-79 [D] Original empty sensor (S3) (1) (2) Open the jam access cover. Remove 1 screw and take off the metal plate cover. Metal plate cover Fig.
(3) Remove 2 screws and take off the bracket. Bracket Fig. 4-81 (4) Disconnect 1 connector. Release 2 latches and take off the original empty sensor. 4 Original empty sensor Fig. 4-82 [E] Original length detection sensor (S4) (1) (2) Take off the feeder lower guide. ( P. 4-10 "[E] Feeder lower guide") Disconnect 1 connector. Release 2 latches and take off the original length detection sensor. Original length detection sensor Fig.
[F] Original registration sensor (S5) (1) (2) Take off the feeder lower guide. ( P. 4-10 "[E] Feeder lower guide") Disconnect 1 connector. Release 2 latches and take off the original registration sensor. Original registration sensor Fig. 4-84 [G] Original width detection sensor-1 (S6) (1) (2) (3) Take off the feeder lower guide. ( P. 4-10 "[E] Feeder lower guide") Take off the actuator. Disconnect 1 connector. Release 2 latches and take off the original width detection sensor-1.
[I] (1) (2) Read sensor (S9) Take off the pre-reading upper guide. ( P. 4-13 "[H] Pre-reading guide") Release 2 latches and take off the read sensor from the pre-reading upper guide. Read sensor Fig. 4-87 [J] (1) (2) 4 Original intermediate transport sensor (S8) Take off the pre-reading upper guide. ( P. 4-13 "[H] Pre-reading guide") Release 2 latches and take off the original intermediate transport sensor from the prereading upper guide. Original intermediate transport sensor Fig.
(3) Open the RADF. Remove 2 screws, and then take off 2 holders and platen guide. Holder Platen guide Holder Fig. 4-90 (4) Remove 2 screws. Open the post-reading lower guide and take off the post-reading upper guide. Post-reading upper guide Fig. 4-91 (5) Release 2 latches and take off the Original exit/reverse sensor from the post-reading upper guide. Original exit/reverse sensor Fig.
[L] RADF opening/closing sensor (S12) (1) (2) Take off the rear cover. ( P. 4-2 "[B] Rear cover") Disconnect 1 connector. Release 2 latches and take off the RADF opening/closing sensor. RADF opening/closing sensor Fig. 4-93 4 [M] Original jam access cover opening/closing switch (SW1) (1) Take off the bracket of the original feed motor drive section. ( P. 4-21 "[E] Original feed motor drive section") (2) Disconnect 3 terminals.
4.6 PC Board [A] RADF control PC board (ADF board) (1) (2) Take off the rear cover. ( P. 4-2 "[B] Rear cover") Disconnect 11 connectors. Fig. 4-95 (3) Release 2 lock supports and 3 edge spacer. Take off the ADF board. ADF board Fig.
4.7 Others [A] Hinge stopper (1) Remove 1 screw and then take off the hinge stopper. Hinge stopper Fig. 4-97 Note: When the hinge stopper is taken off, the opening angle for the RADF becomes approx. 90 degrees. Take off the hinge stopper only when it is needed for installation, maintenance service, etc. Fig.
MR-3018/3020/3021/3022 DISASSEMBLY AND ASSEMBLY © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved 4 - 36
5. 5.1 ADJUSTMENT Adjustment of Position Perform this adjustment when the RADF is not installed in the correct position. Note: Check if the image adjustment for the equipment is performed properly before this adjustment of the RADF. (See the Service Manual or Service Handbook of the applicable equipment.) [A] Checking (1) Open the RADF and install 2 positioning pins (the positioning pins are installed to the back side of the hinge which is on the left side of the RADF). 5 Fig.
(3) Close the RADF and check if the positioning pins fit the holes on the RADF. Fig. 5-3 [B] Adjustment If the pins cannot be fitted into the holes, perform the adjustment according to the following procedure. (1) Remove the right-hand hinge screw at the rear side. Fig. 5-4 (2) Remove the bracket on the left-hand hinge. (MR-3021/3022 only) Fig.
(3) Loosen the left-hand hinge screw at the rear side. Fig. 5-6 (4) Loosen the hinge screws at the front side. 5 Fig. 5-7 (5) Position the pins with the holes on the RADF by moving it so that the pins fit into the holes when the RADF is closed. Fig.
(6) Tighten the left-hand hinge screw at the rear side. Fig. 5-9 (7) Loosen the hole position adjustment screws on the right hand side. Fig. 5-10 (8) Match the screw hole positions. Fig.
(9) Install the right-hand hinge screw at the rear side. Fig. 5-12 (10) Install the bracket on the left-hand hinge. (MR-3021/3022 only) 5 Fig. 5-13 (11) Loosen the hinge screws at the front side. Fig.
(12) Place the platen sheet on the original glass and align it to the top left corner. Close the RADF gently and open it to check if the platen sheet is attached properly. Fig.
5.2 Adjustment of Height Note: Check if the image adjustment for the equipment is performed properly before this adjustment of the RADF. (See the Service Manual or Service Handbook of the applicable equipment.) [A] Checking (1) (2) (3) Close the RADF. Light the exposure lamp. • Turn the power ON while pressing [0] and [3] simultaneously. • Key in [267] and then press the [START] button. The exposure lamp is turned ON for a given length of time.
[B] Adjustment (1) (2) Close the RADF. Adjust it by turning the adjustment screws on the hinges. • Adjust the height on the rear side by means of the screw on the hinge on the feed side of the RADF. Turn it clockwise ................. Heightened Turn it counterclockwise ...... Lowered Fig. 5-17 • Adjust the gap on the rear side by means of the screw on the hinge on the feed side of the RADF. Turn it clockwise .................. Lowered Turn it counterclockwise ...... Heightened Fig.
5.3 Adjustment of Skew Note: Check if the image adjustment for the equipment is performed properly before this adjustment of the RADF. (See the Service Manual or Service Handbook of the applicable equipment.) Also, the RADF position and height shall be adjusted properly. [A] Checking Check the image using the chart (original) with vertical and horizontal lines in the following procedure. Fig.
[B] Adjustment Simplex copying: (1) Shift the aligning plate with the scale as the guide shown in the figure below to adjust the skew. Fig. 5-20 (2) If the image skew is "C" as shown in the figure below, shift the aligning plate in the direction of "+", and if "D", shift it to "-". C D Fig. 5-21 Fig. 5-22 Shift the aligning plate in the direction of "+". Shift the aligning plate in the direction of "-".
Duplex copying: (1) Shift the aligning plate with the scale as the guide shown in the figure below to adjust the skew. Fig. 5-23 (2) If the image skew is "C" as shown in the figure below, shift the aligning plate in the direction of "", and if "D", shift it to "+". 5 C D Fig. 5-24 Fig. 5-25 Shift the aligning plate in the direction of "-". Shift the aligning plate in the direction of "+".
5.4 Adjustment of the Leading Edge Position Note: Check if the image adjustment for the equipment is performed properly before this adjustment of the RADF. (See the Service Manual or Service Handbook of the applicable equipment.) Also, the RADF position and height shall be adjusted properly. [A] Checking Check the image using the chart (original) with vertical and horizontal lines in the following procedure.
[B] Adjustment Simplex copying: (1) Turn the power ON while pressing [0] and [5] simultaneously, key in [365]*1 / [3044] *2 and then press the [START] button. *1 : For e-STUDIO352/353/452/453 e-STUDIO281c/351c/451c, e-STUDIO2500c/3500c/3510c, e-STUDIO2330C/2820C/2830C/3520C/3530C/4520C, e-STUDIO202L/203L/232/233/282/283, e-STUDIO205L/255/305/355/455 *2 : For e-STUDIO2040C/2540C/3040C/3540C/4540C, e-STUDIO206L/256/306/356/456 (2) Enter the value.
(2) Enter the value. • If the leading edge (F) margin of the copy image is larger than the (E) margin of the chart, enter a value smaller than the current one. Note: Changing one value shifts the copy image by 0.1 mm. • If the leading edge (F) margin of the copy image is smaller than the (E) margin of the chart, enter a value larger than the current one. Note: Changing one value shifts the copy image by 0.1 mm. (3) Press the [ENTER] *1 / [OK] *2 button.
5.5 Adjustment of Horizontal Position Note: Check if the image adjustment for the equipment is performed properly before this adjustment of the RADF. (See the Service Manual or Service Handbook of the applicable equipment.) Also, the RADF position and height shall be adjusted properly. [A] Checking Check the image using the chart (original) with a center line in the following procedure. (1) (2) (3) Place the chart provided as an original with its face up on the original tray of the RADF.
Note: Changing one value shifts the copy image by 0.0423 mm. H Fig. 5-29 (3) Press the [ENTER]*1 / [OK] *2 button.
5.6 Adjustment of Copy Ratio Note: Check if the image adjustment for the equipment is performed properly before this adjustment of the RADF. (See the Service Manual or Service Handbook of the applicable equipment.) Also, the RADF position and height shall be adjusted properly. [A] Checking Check the image using the chart (original) with vertical and horizontal lines in the following procedure. (1) (2) (3) Place the chart provided as an original with its face up on the original tray of the RADF.
(3) Press the [ENTER] *1 / [OK] *2 button.
5.7 Adjustment of RADF Opening/Closing Sensor A Adjust the bracket position so that the sensor is turned ON when the height “A” becomes 100 mm or less (within the empty weight falling limit). Fig. 5-31 5 Fig.
MR-3018/3020/3021/3022 ADJUSTMENT © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved 5 - 20
6. 6.1 TROUBLESHOOTING Troubleshooting for Mechanical Errors 1) Multiple originals are transported simultaneously Original abnormally curled or folded? YES→ Flatten the original and set it again ↓ NO Separation roller is dirty? ↓ YES→ Clean the roller with alcohol NO Replace the separation rollers with new ones 2) Original is not transported to registration roller Original thicker than specified? YES→ Use originals with permissible thickness.
6.
6.3 Jam Jam not reaching the original registration sensor 1) Clean the pickup roller, feed roller and separation roller if they are stained. 2) Flatten the original if it is folded or excessively curled and place it again. 3) Is the original registration sensor working? (Perform the input check) * If it is working properly, proceed to 7. If not, check 4 to 6. 4) Check if the connector CN74 on the RADF board is disconnected from the original registration sensor or the harnesses are open circuited.
Stop jam at the original registration sensor 1) Clean the registration roller if it is stained. 2) Are the original registration sensor, original width detection sensor-1, original width detection sensor-2, original length detection sensor working? (Perform the input check) * If it is working properly, proceed to 9. If not, check 3 to 8 below. 3) Check if the connector CN74 on the RADF board is disconnected from the original registration sensor or the harnesses are open circuited. Correct if any.
RADF open jam 1) Close the RADF if it is opened. Remove if there is any original before closing it. 2) Is the RADF opening/closing sensor working? (Perform the input check) * If it is working properly, proceed to 6. If not, check 3 to 5 below. 3) Check if the connector CN75 on the RADF board is disconnected from the RADF opening/closing sensor or the harnesses are open circuited. Correct if any. 4) Replace the RADF opening/closing sensor. 5) Replace the RADF board.
MR-3018/3020/3021/3022 TROUBLESHOOTING © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved 6-6 09/05
7. MAINTENANCE AND REWRITING ROM 7.1 Periodic Maintenance 5 8 3 4 7 6 2 1 10 9 Fig. 7-1 Symbols used in the checklist Cleaning Lubrication/Coating L: Launa 40 A: Clean with alcohol SI: Silicon oil B: Clean with soft pad, cloth or vacuum cleaner W: White grease (Molykote EM-30L) AV:Alvania No.2 Replacement Operation check The number of sheets consumed before replacement (Value x 1,000).
7.2 Rewriting ROM (Firmware Updating) It is feasible to update the firmware automatically by connecting the download jig to the PC board and turning the power of the equipment ON. The download jig K-PWA-DLM-320 is used. < Procedure > (1) (2) (3) (4) Turning OFF the power of the equipment and take off the RADF rear cover. Connect the download jig with the connector (CN81) on the PC board. While pressing [0] and [8] simultaneously, turn ON the power.
8. CIRCUIT DIAGRAM / HARNESS DIAGRAM 8.1 • Assembly of PC Board Component side Fig. 8-1 • Soldered side 8 Fig.
Circuit Diagram 8.
+5V TLENGTH-S SG TWIDTH0-S TWIDTH1-S TWIDTH2-S SG +5V ALIGN-S SG +5V WIDTH2-S SG +5V WIDTH1-S SG +5V LENGTH-S SG +5V DFOPEN-S SG CN73 CN74 CN75 J73 J74 J75 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 +5V ALIGN SG +5V WIDTH2 SG +5V WIDTH1 SG +5V LENGTH SG 12 11 10 9 8 7 6 5 4 3 2 1 6 5 4 3 2 1 J86 J92 J86 J92 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 +5V LENGTH SG +5V EXIT-S SG +5V READ-S SG +5V TLENG-S SG +5V ALIGN SG +5V WIDTH1 SG +5V WIDTH2
8.3 8.3.
8 © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved MR-3018/3020/3021/3022 CIRCUIT DIAGRAM / HARNESS DIAGRAM 8-5
MR-3018/3020/3021/3022 CIRCUIT DIAGRAM / HARNESS DIAGRAM © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved 8-6
8 © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved MR-3018/3020/3021/3022 CIRCUIT DIAGRAM / HARNESS DIAGRAM 8-7
MR-3018/3020/3021/3022 CIRCUIT DIAGRAM / HARNESS DIAGRAM © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved 8-8
8 © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved MR-3018/3020/3021/3022 CIRCUIT DIAGRAM / HARNESS DIAGRAM 8-9
8.3.
8 © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved MR-3018/3020/3021/3022 CIRCUIT DIAGRAM / HARNESS DIAGRAM 8 - 11 09/05
MR-3018/3020/3021/3022 CIRCUIT DIAGRAM / HARNESS DIAGRAM © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved 8 - 12 09/05
8 © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved MR-3018/3020/3021/3022 CIRCUIT DIAGRAM / HARNESS DIAGRAM 8 - 13 09/05
MR-3018/3020/3021/3022 CIRCUIT DIAGRAM / HARNESS DIAGRAM © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved 8 - 14 09/05
8 © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved MR-3018/3020/3021/3022 CIRCUIT DIAGRAM / HARNESS DIAGRAM 8 - 15 09/05
8.3.
8 © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved MR-3018/3020/3021/3022 CIRCUIT DIAGRAM / HARNESS DIAGRAM 8 - 17 09/05
MR-3018/3020/3021/3022 CIRCUIT DIAGRAM / HARNESS DIAGRAM © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved 8 - 18 09/05
8 © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved MR-3018/3020/3021/3022 CIRCUIT DIAGRAM / HARNESS DIAGRAM 8 - 19 09/05
MR-3018/3020/3021/3022 CIRCUIT DIAGRAM / HARNESS DIAGRAM © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved 8 - 20 09/05
8 © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved MR-3018/3020/3021/3022 CIRCUIT DIAGRAM / HARNESS DIAGRAM 8 - 21 09/05
MR-3018/3020/3021/3022 CIRCUIT DIAGRAM / HARNESS DIAGRAM © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved 8 - 22