Alignment & Troubleshooting 4. Alignment & Troubleshooting This chapter describes the main functions for service, such as the product maintenance method, the test output related to maintenance and repair, DCU using method, Jam removing method, and so on. It includes the contents of manual. 4.1 Alignment and Adjustments 4.1.1 Control Panel overview 1 ID Copy You can copy both sides of the ID Card like a driver’s license to a single side of paper.
Alignment & Troubleshooting 4.1.2 Understanding The Status LED The color of the Status LED indicates the machine’s current status. Status Description Off 7KH PDFKLQH LV SRZHUHG RII OLQH 7KH PDFKLQH LV LQ SRZHU VDYH PRGH :KHQ GDWD LV UHFHLYHG RU DQ\ button is pressed, it switches to on-line automatically. Green Red Service Manual On 7KH PDFKLQH LV SRZHUHG RQ DQG FDQ EH XVHG Blinking :KHQ WKH JUHHQ /(' VORZO\ EOLQNV WKH PDFKLQH LV UHFHLYLQJ GDWD IURP the computer.
Alignment & Troubleshooting 4.1.
Alignment & Troubleshooting 4.1.3.1 Clearing Document Jams :KHQ DQ RULJLQDO MDPV ZKLOH SDVVLQJ WKURXJK WKH $') 'RFXPHQW -DP DSSHDUV RQ WKH GLVSOD\ Input Misfeed 4. Align the left end of the ADF roller with the slot and push the right end of the ADF roller into the right slot (1). Rotate the bushing on the right end of the roller toward the document input tray (2). 1. Remove any remaining pages from the ADF. 2. Open the ADF cover. 1 ADF cover 5. Close the ADF cover.
Alignment & Troubleshooting Exit misfeed Roller misfeed 1. Remove any remaining pages from the ADF. 1. Open the scanner lid. 2. Seize the misfeed paper, and remove the paper from the document output tray by carefully pulling it to the right using both hands. 2. Seize the misfeed paper, and remove the paper from the feed area by carefully pulling it to the right using both hands. /RDG WKH UHPRYHG SDJHV EDFN LQWR WKH $') 3. Close the scanner lid. Then load the removed pages back into the ADF.
Alignment & Troubleshooting 4.1.3.2 Clearing paper jams :KHQ D SDSHU MDP RFFXUV WKH ZDUQLQJ PHVVDJH DSSHDUV RQ WKH GLVSOD\ VFUHHQ 5HIHU WR WKH WDEOH EHORZ WR locate and clear the paper jam.
Alignment & Troubleshooting In the manual tray In the toner cartridge area :KHQ \RX SULQW XVLQJ WKH PDQXDO WUD\ DQG WKH machine detects that there is either no paper or that the paper has been improperly loaded, follow the next steps to release the jammed paper. If paper is jammed in the toner cartridge area, follow the next steps to release the jammed paper. 1. Open the front cover and pull the toner cartridge out 1.
Alignment & Troubleshooting In the paper exit area In the duplex unit area If paper is jammed in the paper exit area, follow the next steps to release the jammed paper. If the duplex unit is not inserted correctly, paper jam may occur. Make sure that the duplex unit is inserted correctly. 1. If a long portion of the paper is visible, pull it straight out. Open and close the front cover ¿UPO\ 7KH PDFKLQH ZLOO UHVXPH SULQWLQJ 1. Pull the duplex unit out of the machine.
Alignment & Troubleshooting 2. If you see the jammed paper, remove the paper from the machine by gently pulling it straight out as shown below. 3. Open the rear cover. 4. Pull the guide rear on each side down and remove the paper. Return the guide rear to its original position. ,I \RX FDQQRW ¿QG WKH MDPPHG SDSHU RU LI WKHUH LV any resistance removing the paper, stop pulling and go to step 3. 3. Pull the tray half. 1 Guide rear 5. Close the rear cover. Printing automatically resumes.
Service Manual Darkness Resolution Multi Send Delay Send Prio rity Se nd Forw ard Secur e Receive Add Page Cancel Job Fax Feature Sending Redial Tim es Redial Term Prefix Dial ECM Mode Send Report Image TCR Dial Mode Receiv ing Receiv e Mode Rin g to An swer Fax Setup Fax Setup (Continued) Stamp Rcv Name Rcv Start Code Auto Re duction Discard Size Ju nk Fax Set up DRPD Mode Dupl ex Pri nt Change D efaul t Resoluti on Dark ness Auto Re port .
Alignment & Troubleshooting 4.1.4.1 Accessing to menus The next steps are the example to print the menu map of this machine, and they are the general way to VHOHFW PHQX DQG FRQ¿JXUH \RXU PDFKLQH 1. Make sure your machine is properly connected all the necessary cables, and turn on the machine. 2. Press the Menu button until you see the menu (ex. Information) you want on the bottom line of the display. 3. Press the OK button to access the menu.
Alignment & Troubleshooting 4.1.5 Tech Mode 4.1.5.1 How to Enter Tech Mode In service (tech) mode, the technician can check the machine and perform various test to isolate the cause of a malfunction. :KLOH LQ 7HFK PRGH WKH PDFKLQH VWLOO SHUIRUPV DOO QRUPDO RSHUDWLRQV To enter the Tech mode To enter the Tech mode, press LQ VHTXHQFH DQG WKH /&' EULHÀ\ GLVSOD\V µ7(&+¶ WKH PDFKLQH KDV HQWHUHG VHUYLFH WHFK PRGH 4.1.5.
Alignment & Troubleshooting 4.1.5.3 Data Setup SEND LEVEL You can set the level of the transmission signal. Typically, the Tx level should be under -12 dBm. &DXWLRQ 7KH 6HQG )D[ /HYHO LV VHW DW WKH EHVW FRQGLWLRQ LQ WKH VKLSPHQW IURP IDFWRU\ 1HYHU FKDQJH VHWWLQJV arbitrarily. DIAL MODE This function can choose dial method. *Default : Dial(Dial/Pulse) MODEM SPEED You can set the maximum modem speed.
Alignment & Troubleshooting Flash Upgrade 7KH )LUPZDUH 8SJUDGH IXQFWLRQ DQG KDV WZR PHWKRGV /RFDO DQG 5HPRWH 1) Local Machine Upgrade 5&3 5HPRWH &RQWURO 3DQHO PRGH This method is for USB Port Connect to PC and activate RCP(Remote Control Panel) to upgrade the Firmware. < Method > +RZ WR 8SGDWH )LUPZDUH XVLQJ 5&3 1. Connect PC and Printer with USB Cable. 2. Execute RCP and select Firmware Update.
Alignment & Troubleshooting S/W of Maintenance 1. Clearing the Memory
Alignment & Troubleshooting 3. Remote Diagnostic System(RDS) 5'6 DQG )7 (*7 $XWRPDWLF 2UGHULQJ 6\VWHP ZLOO HQKDQFH WKH TXDOLW\ DQG WKH VSHHG RI DIWHU VDOHV service and monitor the performance of the MFP at the customer site. 0)3 6KRXOG EH FRQQHFWHG E\ 0)3 6HUYHU 3.1 Required components of RDS RDS for MFP system consists of the following three components that communicate with each other 1. Main RDS Server connected to FAX-MODEM. 2. RDS Client Application. 3. RDS on MFP. 3.
Alignment & Troubleshooting 4.1.5.4 Machine Test SWITCH TEST 8VH WKLV IHDWXUH WR WHVW DOO NH\V RQ WKH RSHUDWLRQ FRQWURO SDQHO 7KH UHVXOW LV GLVSOD\HG RQ WKH /&' ZLQGRZ each time you press a key. MODEM TEST Use this feature to hear various transmission signals to the telephone line from the modem and to check the modem. If no transmission signal sound is heard, it means the modem part of the main board malfunctioned.
Alignment & Troubleshooting 4.1.5.5 Report PROTOCOL LIST This list shows the sequence of the CCITT group 3 T.30 protocol during the most recent sending or receiving operation. Use this list to check for send and receive errors. If a communication error occurs while the PDFKLQH LV LQ 7(&+ PRGH WKH SURWRFRO OLVW ZLOO SULQW DXWRPDWLFDOO\ OTHER ITEM This list provides a list of the user system data settings and tech mode settings.
Alignment & Troubleshooting supplies information report Service Manual 4-19 Samsung Electronics
Alignment & Troubleshooting 4.1.6 EDC Mode EDC Mode is independently controled system f/w and diagnose printer’s each function. Ŷ 0HWKRG WR HQWHU $IWHU WXUQ RQ WKH V\VWHP SRZHU FKHFN WKH ³5HDG\´ PHVVDJH RQ WKH /&' 2. To enter the EDC Mode, Push the button like next time. ³0HQX ĺ 6WRS ĺ /HIW DUURZ ĺ %DFN ĺ 2. ĺ 5LJKW DUURZ´ 7KH PHVVDJH ³&20321(17 7(67 3UHVV 0HQX .
Alignment & Troubleshooting Ŷ ('& 0RGH 0HQX 0. Cover Status Item Front Cover Description :KHQ WKH IURQW FRYHU RSHQHG ³2SHQ´ PHVVDJH GLVSOD\ /&' ,I WKH IURQW FRYHU FORVHG ³&ORVHG´ PHVVDJH GLVSOD\ /&' 1. Sensor Status Item Description Regi/Feed/Exit Sensor ,I DFWXDWRU LV FKHFNHG E\ VHQVRU :LWKRXW 3DSHU PHVVDJH ZLOO EH GLVSOD\HG LI QRW :LWK 3DSHU ZLOO EH Empty ,I SDSHU H[LVWV LQ WKH WUD\ ³3UHVHQW ZLOO EH GLVSOD\HG ,I QRW ³(PSW\ ZLOO be. 2.
Alignment & Troubleshooting 5. Fuser Ctrl Item Description Temp Control )XVHU RQ DQG RII ³21´ LV VHOHFWHG IXVHU ZLOO EH DFWLYH DQG GLVSOD\ WKH IXVHU WHPSHUDWXUH >;;;@ EXW ³2))´ LV VHOHFWHG IXVHU ZLOO EH VWRS DQG > @ display Fuser Temp. )XVHU WHPSHUDWXUH GLVSOD\HG RQ /&' H[DPSOH > @ 6. LSU Control Item Description /' 3RZHU :KHQ ³2.´ NH\ LV SXVKHG DIWHU ´21´ PHVVDJH GLVSOD\HG ´2))´ PHVVDJH will be displayed after 10 seconds /68 0RWRU ,I ³2.
Alignment & Troubleshooting 4.1.7 Abnormal Image Printing and Defective Roller If abnormal image prints periodically, check the parts shown below. 7-2 7-1 No Roller Abnormal image period Kind of abnormal image 1 OPC Drum 75.5mm :KLWH VSRW %ORFN 6SRWV 2 Charge Roller 26.7mm Block Spot and Periodic Band 3 Supply Roller 47.1mm Periodic Band by little difference of density 4 Developing Roller 35.
Alignment & Troubleshooting 4.1.8 Error Message Messages appear on the control panel display to indicate the machine’s status or errors. Refer to the tables below to understand the messages’ meaning and correct the problem if necessary. Messages and their meanings are listed in alphabetical order. [[[ LQGLFDWHV WKH PHGLD W\SH \\\ LQGLFDWHV WKH WUD\ Message Meaning Suggested solutions [COMM. Error] The machine has a communication problem. Ask the sender to try again.
Alignment & Troubleshooting Message Meaning Suggested solutions Document Jam The loaded original has jammed in the Clear the jam. ADF. Door Open The front cover is not securely latched. Close the cover until it locks into place. Duplex Jam 0 Check Inside Paper has jammed during duplex printing. This is applicable only to machines with this feature. Clear the jam. Duplex Jam 1 Open/Close Door Paper has jammed during duplex printing. This is applicable only to machines with this feature.
Alignment & Troubleshooting Message Meaning Suggested solutions Not Available Try Again Later Can not perform the task immediately because too many tasks are running at once. Try again when current task is completed. One Page is Too Large Single page data exceeds the FRQ¿JXUHG PDLO VL]H Reduce the resolution and try again. Operation Not Assigned You are in the Add Page/Cancel Job operation, but there are no jobs stored. Check the display to see if there are any scheduled jobs.
Alignment & Troubleshooting Message Meaning Suggested solutions Toner Empty The toner cartridge has run out. The machine stops printing. Press OK to toggle the message to Stop or Continue. Ĵ Stop Ķ You can select the option among Stop or Continue with the left/right arrow. If you select Stop by pressing OK on the control panel, the machine stops printing. If you select Continue, the machine keeps printing, but the quality cannot be guaranteed.
Alignment & Troubleshooting 4.2 Troubleshooting 4.2.
Alignment & Troubleshooting 4.2.2 The cause and solution of Bad image 1) Vertical Black Line and Band Description : 1. Straight thin black vertical line occurs in the printing. 2. Dark black vertical band occur in the printing. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 1. Damaged develop roller in the Toner cartridge. Deformed Doctor-blade or cleaning-blade. 2. Scratched surface of the charge roller in the toner cartridge. 3.
Alignment & Troubleshooting 2) Vertical White Line Description : White vertical voids in the image. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 1. Foreign matter stuck onto the window of internal lenses RI /68 PLUURU. 2. Foreign matter or toner particles between the toner cartridge roller and blade. (In case the life of the toner cartridge has been expired, white lines or light image occur in front of the image.) Replace the toner cartridge. 3.
Alignment & Troubleshooting 3) Horizontal Black Band Description : Dark or blurry horizontal stripes occur in the printing periodically. (They may not occur periodically.) Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Service Manual 1. Bad contacts of the voltage terminals to toner cartridge. Clean each voltage terminal of the Charge, Supply, Develop and Transfer roller. (remove the toner particles and paper particles) 2. The rollers of toner cartridge may be stained.
Alignment & Troubleshooting 4) Black/White Spot Description : 1. Dark or blurry spots occur periodically in the printing 2. White spots occur periodically in the printing Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 1. If dark or blurry black spots occur periodically, the rollers in the Toner cartridge may be or be contaminated contaminated with with foreign foreign matter matte or paper particles. 26.7 mm interval ( Charge roller : 37.7 OPC drum : 75.5 mm interval) 2.
Alignment & Troubleshooting 5) Light Image Description : The printed image is light, with no ghost. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 1. Develop roller is stained when the toner of toner cartridge is almost consumed. No 1 : Replace the toner cartridge and try to print out. 1R :ait 30 minutes after printer is powered on before you start printing. 2. Ambient temperature is below than 10. 3.
Alignment & Troubleshooting 6) Dark Image or a Black Page Description : The printed image is dark. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 1. No charge voltage in the engine board. Service Manual Check the state of the connector which connects the engine board DQG +936 2. Charge voltage is not turned on due to the bad contacts between power supply in the side of the Toner cartridge and charge terminal RI +936 1. Clean the high voltage charge terminal.
Alignment & Troubleshooting 7) Uneven Density Description : Print Density is uneven between left and right. 1. The pressure force on the left and right springs of the transfer roller is not even, the springs are damaged, the transfer roller is improperly installed, or the transfer roller bushing or holder is damaged. 2. The life of the Toner cartridge has expired. 3. The toner level is not even on the toner cartridge roller due to the bad blade.
Alignment & Troubleshooting 8) Background Description : Light dark background appears in whole area of the printing. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 1. Does character exist less than 2% per a page, and hasnÕt it been XVHG ORQJ WLPH" ,V D UHF\FOHG WRQHU FDUWULGJH EH XVHG" The A/S is not guaranteed if using a recyled the toner cartridger.
Alignment & Troubleshooting 9) Ghost (1) Description : Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing. 75.5mm Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 1. Bad contacts caused by contamination from toner particles between high voltage terminal in the main body and the electrode of the Toner cartridge. Clean the terminals when contaminated by toner particles. 2.
Alignment & Troubleshooting Continue.. :ait about 1 hour after power on before using printer. 5. Abnormal low temperature (below 10). Occur in the toner cartridge, replace the toner cartridge and try to print out. 6. Damaged cleaning blade in the toner cartridge.
Alignment & Troubleshooting 10) Ghost (2) Description : Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing. (When printing on card stock or transparencies using manual feeder) 75.5mm Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer :KHQ SULQWLQJ RQ FDUG VWRFN thicker than normal paper or WUDQVSDUHQFLHV VXFK DV 2+3, higher transfer voltage is required.
Alignment & Troubleshooting 11) Ghost (3) : Fuser Description : Ghost occurs at 62.8 mm or 77.6mm intervals. 62.8 or 77.6mm Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer The temperature of the fuser is maintained high. Service Manual 4-40 Disassemble the fuser and remove the contaminated toner particles on the roller and clean the foreign matter between Thermistor and +HDW UROOHU.
Alignment & Troubleshooting 12) Stains on the Face of Page Description : The background on the face of the printed page is stained. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Service Manual 1. Toner leakage due to improperly sealed toner cartridge. Replace the toner cartridge. 2. If the transfer roller is contaminated, stains on the face of page will occur. If the transfer roller is contaminated, run PC Cleaning Mode Print 2 or 3 times.
Alignment & Troubleshooting 13) Stains on Back of Page Description : The back of the page is stained at 47 mm or 62.8mm intervals. 47 or 62.8mm Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Perform the OPC Cleaning Mode Print 2 or 3 times. Run Self-Test to remove the contamination of the transfer roller. 1. 47mm : Transfer roller is contaminated. 2. 62.8mm : Pressure roller is contaminated. Service Manual 4-42 1.
Alignment & Troubleshooting 14) Blank Page Print out (1) Description : Blank page is printed. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Bad ground contacts in OPC and/or toner cartridge. Service Manual 4-43 1. Check if the Ground-OPC is defective(set inside right side). 2. Remove contamination of the terminals of the toner cartridge and the unit.
Alignment & Troubleshooting 15) Blank Page Print out (2) Description : 1. Blank page is printed. 2. One or several blank pages are printed. 3. When the printer turns on, several blank pages print. 1. Bad ground contacts in OPC and/or toner cartridge. 1. Perform the engine self test using EDC Mode to check if the Solenoid is normal. 2. If not solved by the above directions 1-2, Replace the engine board. 3. Turn the power off, delete the data of PC and try printing again. 2. Abnormal solenoid.
Alignment & Troubleshooting 4.2.3 The cause and solution of the bad discharge 1) Wrong Print Position Description : Printing begins at wrong position on the paper. :rong sense time caused by defective feed sensor actuator.
Alignment & Troubleshooting 2) JAM 0 Description : 1. Paper is not exited from the cassette. 2. Jam-0 occurs when the paper feeds into the printer 1. Check the Solenoid by using EDC Mode. Replace the solenoid. 2. Check if the pad is loose due to bad sealing of the side-pad. Replace the side-pad Assembly / or R, if necessary. 3. Check the surface of the roller-pickup for foreign matter. Clean with soft cloth dampened with IPA(Isopropyl Alcohol) or water. 4.
Alignment & Troubleshooting 3) JAM 1 Description : 1. Recording paper is jammed in front of or inside the fuser. 2. Recording paper is stuck in the discharge roller and in the fuser just after passing through the Actuator-Feed. Service Manual 1. If the recording paper is jammed in front of or inside the fuser. Replace the SMPS or Exit-Sensor. 2. If the recording paper is stuck in the discharge roller and the fuser just after passing through the Actuator-Feed, Feed Actuator may be defective. 1.
Alignment & Troubleshooting 4) JAM 2 Description : 1. Recording paper is jammed in front of or inside the fuser. 2. Recording paper is stuck in the discharge roller and in the fuser just after passing through the Actuator-Feed. 1. If the paper is completely fed out of the printer, but Jam 2 occurs : Exit sensor is defective. ¥ After the paper is completely discharged, actuator Exit should return to the original position to shut the photo-sensor.
Alignment & Troubleshooting 5) JAM Duplex Description : Recording paper is Jamned in front or inside a duplex module. 1. A case that a paper jam occurs on (A) after it is reversed: replace a 2nd exit roller after checking its operation. 2. A case that a paper jam occurs on (B) after it is reversed: replace a duplex roller after checking its operation 2. It is a case that a paper cannot reach to a registration sensor.
Alignment & Troubleshooting 6) Multi-Feeding Description : Multiple sheets of paper are fed at once. &KHFN WKH *XLGH VLGH / 5 RU *XLGH Rear in the Cassette, if the position is correct. Replace the solenoid if necessary. 2. Solenoid malfunction (the solenoid does not work properly): Perform EDC Mode. Service Manual Replace the Main PBA. 3. Pad-Friction is contaminated with foreign matter.(oil...) Clean the pad friction with soft cloth dampened with IPA (Isopropyl Alcohol). 4.
Alignment & Troubleshooting 7) Paper rolled in the fuser Description : If contaminated at intervals of 77.6mm on the back of a paper. After disassembling the fuser, clean contamination between the heat roller and the thermostor and remove the contamination of the pressure roller. 1. Contamination of the pressure roller or heat roller %DFNJURXQG +RW RIf set). 1. If there is heavy background, repair it by the background troubleshooting method. 2. Clean the surface of the heat roller with IPA or water 3.
Alignment & Troubleshooting 8) Paper rolled on the OPC Drum Description : Paper is rolled up in the OPC. Recommend to use normal paper. 1. Paper is too much thin. +RZ WR UHPRYH WKH UROOHG SDSHU in the OPC. Remove the paper while turning the OPC against the ongoing direction. Clean fingerprints on the OPC softly with soft cloth dampened with tissue. 2. The face of paper is curled.
Alignment & Troubleshooting 4.2.4 The cause and solution of the malfunction 1) Fuser Error Description : Fuser error is displayed on LCD Replace the fuser if a thermostat is open. 1. Check whether a thermostat, AC wire, and heat lamp are open or not. 2. Check whether a thermistor is open or not. Replace the fuser if a thermistor sensor is located deep inside of a sponge. +HDW ODPS 21 2)) WHVW Check whether the overheat mode circuit operates normally or not. 4.
Alignment & Troubleshooting 2) LSU Error Description : “PMOTOR ERROR/HSYNC ERROR’ &KHFN ZKHWKHU WKH /68 connector is disconnected or not. 5HSODFH D /68 Replace a main board if the same error occurs again after replacing D /68 &KHFN ZKHWKHU WKH /68 motor is rotating or not.
Alignment & Troubleshooting 3) Not function of the gear of the fuser due to melting away Description : The motor breaks away from its place due to gear melting away. 1. Replace the Fuser. 2. Replace the Main PBA. 3. Replace the SMPS.
Alignment & Troubleshooting 4) Paper Empty Description : Paper empty error message is displayed on LCD when paper is loaded in the cassette. 1. Bending or deformation of the actuator of the paper sensor. Replace the defective actuator. 2. The function of the engine board is defective Replace the Sensor PBA. 3. Check the Connector.
Alignment & Troubleshooting 5) Paper Empty without indication Description : Paper empty error message does not display when the paper cassette is empty. 1. Bending or deformation of the actuator of the paper sensor. Replace the defective actuator. 2. The function of the engine board is defective Service Manual Replace the engine board.
Alignment & Troubleshooting 6) Cover Open Description : The ERROR lamp is on even when the print cover is closed. 1. The hook lever in the front cover or Guide rear may be defective. Replace the hook lever, if defective. 2. Check the connector and circuit of the cover switch department in the Main Control board. Service Manual 4-58 1. Check the insertion of the &RYHU 2SHQ 6 : &RQQHFW 2. Replace the Main Control ERDUG RU &RYHU 2SHQ 6 :.
Alignment & Troubleshooting 7) No error LED when the cover is open Description : The Error LED does not come on even when the printer cover is open 1. Check the connector and circuit of the cover switch department in the Main Control board. Perform EDC test Service Manual 4-59 1. Check the insertion of the &RYHU 2SHQ 6 : &RQQHFW 2. Replace the Main Control ERDUG RU &RYHU 2SHQ 6 :.
Alignment & Troubleshooting 8) No Power Description : When system power is turned on, all lamps on the operator panel do not come on. Replace the power supply cord or SMPS. 1. Check if the power input and SMPS output are normal. 2. Check the inferiority RI /(' 3DQHO RU /'& ZLQGRZ RQ WKH front-cover if the OP panel does not appear after normal warming-up. Service Manual 4-60 1. Replace the control board. 2. Replace the OP panel.
Alignment & Troubleshooting 9) Vertical Line Getting Curved Description : When printing, vertical line gets curved. ,I WKH VXSSO\ RI Y LV unstable in the Main Control board OLQNLQJ ZLWK /68 FKHFN GULYH E\ EDC Mode: /68 &KHFN 5HSODFH /68 1. Replace theToner Joint PBA. 2. Replace the MainPBA. 2. Chect the Deve PBA in the Toner Cartridge.
Alignment & Troubleshooting 4.2.5 The cause and solutions of bad environment of the software 1) The printer is not working (1) Description : While Power turned on, the printer is not working in the printing mode. Check the power of the printer and perform the Self-Test. If the test printing works, that means no problems in the printer itself. If the test printing does not work, that means bad functioning of the printer (not because of software). 1.
Alignment & Troubleshooting 2) The printer is not working (2) Description : After receiving the printing order, no response at all or the low speed of printing occurs due to wrong setup of the environment rather than malfunction of the printer itself. Not working with the message 'insufficient printer memory' means hard disk space problem rather than the RAM problem. In this case, provide more space for the hard disk. Secure more space using the disk utilities program. 1.
Alignment & Troubleshooting 3) Abnormal Printing Description : The printing is not working properly even when the cable has no problem. (even after the cable is replaced) If the printer won’t work at all or the strange fonts are repeated, the printer driver may be defective or wrong setup in the CMOS Setup. Select SPP(Normal) or ECP /37 Port the among ECP, EPP or SPP in the CMOS Setup. 1. Set up the parallel port in the CMOS SETUP. Check the printer in My Computer.
Alignment & Troubleshooting 4) SPOOL Error Description : To spool which stands for “simultaneous peripheral operations online” a computer document or task list (or “job”) is to read it in and store it, usually on a hard disk or larger storage medium so that it can be printed or otherwise processed at a more FRQYHQLHQW WLPH IRU H[DPSOH ZKHQ D SULQWHU LV ¿QLVKHG SULQWLQJ LWV FXUUHQW GRFXPHQW 1. Insufficient space of the hard disk in the directory assigned for the basic spool.
Alignment & Troubleshooting 4.2.6 Fax & Phone Problems 1) No Dial Tone Description : While on-hook button is pressed, there is no dial tone. Service Manual 1. Check if the telephone line cord is connected to 7(/ /,1( FRUUHFWO\. If the telephone cord is normal but there is no dial tone, then try to UHSODFH WKH /,8 % G &KHFN LI LW PDNHV &/,&. VRXQG ZKLOH 2+' NH\ LV SUHVVHG ,I \RX FDQQRW KHDU WKH 2+' &/,&. VRXQG WKH 23( Ass'y may be defective. Try to replace the OPE Ass'y. 3.
Alignment & Troubleshooting 2) Defective MF DIAL Description : The MF DIAL is not functioning. Service Manual 1. Check if the telephone line is connected correctly. ,I \RX FDQQRW FDWFK WKH 2+' &/,&. VRXQG WKH 23( Ass'y may be defective. Try to replace the OPE Ass'y. :LOH WKH %877ON KEY is pressed, check to catch D &/,&. VRXQG ,I \RX FDQ FDWFK D &/,&. VRXQG after checking the connection of +$51(66 EHWZHHQ WKH /,8 DQG the Main PBA, try to replace the +$51(66 3.
Alignment & Troubleshooting 3) Defective FAX FORWARD/RECEIVE Description : The FAX FORWARD/RECEIVE is not functioning. 1. Check if you can catch a dial tone by pressing 2+' If the MODEM testing is normal and there is no dial tone, then try WR UHSODFH WKH /,8 % G 2. Check if you can catch a RECEIVE tone while MODEM testing in the 7(&+ 0RGH Service Manual If the MODEM testing is abnormal, try to replace the Main B'd.
Alignment & Troubleshooting 4) Defective FAX FORWARD Description : RECEIVE is functioning, but FORWARD is not functioning or the received data are broken. 1. Check if there is NOISE when pressing on-hook dial. If it makes NOISE while using on-hook dial, replace or repair the telephone line. 2. Check the RECEIVE condition by trying to forward a FAX to another fax machine from the forwarding side FAX. 3. Check if the telephone line connected to the Product is contaminated or gets stripped off or down.
Alignment & Troubleshooting 5) Defective FAX RECEIVE (1) Description : FORWARD is functioning, but RECEIVE is not functioning or the received data are broken. 1.Check if there is NOISE when pressing on-hook dial. If it makes NOISE while on-hooking, replace or repair the telephone line. 2.Check the RECEIVE condition by trying to receive a FAX at another fax machine.
Alignment & Troubleshooting 6) Defective FAX RECEIVE (2) Description : The received data are lengthened or cut in the printing. 1. Check if there is NOISE when pressing on-hook dial. If it makes NOISE, rearrange the telephone line. (Refer to 'Defective FAX RECEIVE'.) 2. Ask to the forwarding side, check the image quality of another machine receiving a FAX additionally sent to. Service Manual 4-71 Check if the FAX status of the forwarding side is also normal.
Alignment & Troubleshooting 7) Defective FAX RECEIVE (3) Description : The phone is ringing continuously, but it cannot receive. Even when the RECEIVE Mode is changed to FAX MODE, it cannot UHFHLYH WKHQ UHSODFH WKH /,8 DQG the Main B'd in sequence. Check if the RECEIVE Mode is 7(/ MODE or FAX MODE.
Alignment & Troubleshooting 8) Defective FAX RECEIVE (4) Description : The received data is reduced by more than 50% in the printing. After checking the data of the forwarding side, correct the FAX of the forwarding side. Check the FAX status of the forwarding side.
Alignment & Troubleshooting 9) Defective Automatic Receiving Description : The automatic receiving function is not working. 1. If the RECEIVE Mode is set to the 7(/ MODE, reset it to the FAX MODE. 2. Even after the RECEIVE Mode is changed to the FAX Mode, it cannot receive, then try to UHSODFH WKH /,8 DQG WKH 0DLQ B'd in sequence. 1. Check if the RECEIVE Mode is 7(/ MODE or FAX MODE.
Alignment & Troubleshooting 4.2.7 Copy Problems 1) Black Copy Description : Black page is printed out when copy. Room light ca transit a thin original. 1. Check the Scan-Cover open. Service Manual 2. Check shading profile. Remake shading profile in the tech mode. 3. Check white/black reference voltage in Main PBA. Replace U60 if it is defective. . U60-154 = 0.5V . U60-155 = 3.
Alignment & Troubleshooting 2) White Copy Description : White page is printed out when Copy. 1. Check the CIS problem in Main PBA. Check the CIS harness contact. 2. Check shading profile. Remake shading profile in the tech mode.
Alignment & Troubleshooting 3) Abnormal noise Description : There is noise when copy. Check the right position of the Scanner Motor, and check the any mechanical disturbance in the CIS carriage part. 1. Check the Scanner Motor and any mechanical disturbance. 2. Check the Motor Driver in Driver PBA. Service Manual 4-77 If any driver is defective, replace it. . Connection PBA U4-1, 19 or U5-1, 19=0V to 24V swing signal when operating.
Alignment & Troubleshooting 4) Defective Image Quality Description : The copied image is light or bad. Remake shading profile in the tech mode. 1. Check shading profile. Service Manual 2. Check the gap between original and scanner glass. The gap above 0.5 mm can cause a blurred image. 3. Check printing quality. See "Print" troubleshooting.
Alignment & Troubleshooting 4.2.8 Scanning Problems 1) Defective PC Scan Description : The PC Scan is not functioning at all. 1. Check the Cable (USB or Parallel) If the PC and the cable are not connected properly, reconnect it. 2. Check if the driver is installed properly. After confirming that it is proper by performing a PC printing test related to driver setup, if it is not so, reinstall it. (Refer to User's Manual.) If copy function works, replace the Main PBA.
Alignment & Troubleshooting 2) Defective Image Quality of PC Scan Description : The image PC scanned is not clear or bad. Service Manual 1. Check the waveform form by performing a CIS test in 7(&+ 0RGH If the CIS waveform form is abnormal, try to replace the CIS Ass'y. 2. Check if the resolution is set too low in PC Scan options. (Refer to User's Manual.) If the resolution is set to low, let the user be acquainted with the using method well.