Chapter 5 Troubleshooting
Contents
1. Is the YES Connect the panel FFC properly Is the operation normal NO YES Replace the FFC Is the operation normal YES operation normal Is there continuity between pin 5 of CN4 and pin 10 of CN5 on the MAIN board Replace the MAIN board Is the operation normal YES Replace the PSB PSE board Figure 5 8 Flowchart 5 EPSON Stylus COLOR 800 Service Manual 5 11 Troubleshooting 5 3 Repair of C202 PSB PSE Board Components This section describes procedures for replacing and repairing the C202 PSB PSE board to the component level Refer to tables 5 5 and 5 6 for symptoms descriptions causes checkpoints and solutions Table 5 5 Repair of C202 PSB PSE Board Components 1 Checkpoints Solution Neither 45 V nor ia ls visually if F1 is normal Replace F1 5 V is output T1 is open Check the voltage output using a meter Replace T1 e Check for proper resistance between Replace Q1 the source and drain at Q1 FET Check that the waveform shown below is output from the drain of Q1 FET EKTRONIX 2230 AV 14 252 0U DLYp 47 cu e Unplug the AC inlet then check for Replace Q2 proper resistance between the or check if collector and emitter of transistor Q2 PC1 is Check that Q2 switching is correctly2. functioning functioning with printer power on e Unplug the AC inlet then check for Replace Q31 proper resistance between the source or check if and drain of Q31 FET PC1 is Check that Q31 FET switching is functioning correctly functioning with printer 5 12 EPSON Stylus COLOR 800 Service Manual Troubleshooting Table 5 6 Repair of C202 PSB PSE Board Components 2 The printer does Neither 42 V nor PC1 is e Check for proper resistance Replace the not operate at all 5 Vis output defective between pins 5 and6orpins7 PC1 and 8 of PC1 e Check the output signal at pin 5 to verify that it alternates from HIGH to LOW IC51 is e Check that the waveform shown Replace IC51 defective below is output from pin 7 of IC51 TEKTRONIX 2230 AU15 6 8 DLYP 4T eus L51 is open e Check resistance between 2 Replace L51 leads of the coil for the L51 EPSON Stylus COLOR 800 Service Manual 5 13 Troubleshooting 5 4 Repair of C202 MAIN Board Components This section consists of the procedures for replacing and repairing C202 MAIN board to the component level Refer to Table 5 7 which shows symptoms descriptions causes checkpoints and solutions Table 5 7 Repair of C202 MAIN Board Components 1 The printer does CPU is not Reset IC for e Check that 5 V is output from Replace the not operate at all functioning The IC9 logic is pins
3. error ASF HP sensor Check if the ASF HP Replace the ASF is defective sensor is properly HP sensor functioning using Table 5 2 When the printer is Foreign matter Check if there is Remove the turned on it keeps is blocking the foreign matter on the foreign substance trying to load paper PE sensor PE sensor lever and then indicates a paper rear paper guide jam error If you press LOAD or ASF pump Check if the Connect ASF try to print when the motor connector ASF pump motor pump motor printer is turned on a cable is connector cable is connector cable to fatal error occurs disconnected connected to CN11 CN11 ASF HP sensor Check ASF HP sensor Connect ASF HP connector cable cable is connection to sensor connector is disconnected CN7 cable to CN7 ASF pump Check ASF pump Replace the motor coil open motor coil resistance ASF pump motor using Table 5 3 5 18 EPSON Stylus COLOR 800 Service Manual Troubleshooting Table 5 12 Repair of the Printer Mechanism 3 Symptom Checkpoints Solution Paper is not fed properly Abnormal printing Black gear Check if gear 27 2 Reinstall the gear 27 2 mm on mm on the right 27 2 mm right edge of ASF edge of ASF is is disengaged engaged with the LD from ASF LD roller shaft roller shaft After power on printer PE sensor Check if the PE Connect the PE starts loading paper connector cable is sensor cable is sensor cable to CN8
4. cable to the CN6 home position a fatal CN6 error is indicated and the CR stops No abnormal noise Dirt or other Check if there is dirt or Remove foreign foreign matter is foreign matter lodged substance lodged between between HP sensor HP sensor terminals terminals HP sensor is Check if the HP Replace HP defective sensor is correctly sensor functioning referring to Table 5 2 When the printer is CR lock lever is 1 Check PF motor 1 Replace PF turned on you hear a not released coil resistance motor strange noise anda using Table 5 3 2 Connect PF fatal error occurs Check if the PF motor connector motor connector cable to CN13 cable is connected 3 Remove the to CN13 interference Check if anything interferes with CR lock lever movement When turning on the Oil in the CR oil Release the CR lock Oil the oil pad built printer or activating pad has dried lever with printer power in the CR unit the CR you hear an jup abnormal noise and a Do not use too fatal error is indicated much oil or you then the CR stops could damage the printhead EPSON Stylus COLOR 800 Service Manual 5 17 Troubleshooting Table 5 11 Repair of the Printer Mechanism 2 Possible Cause Checkpoints Solution CR does not When the printer is Either the Release the CR lock Oil the sliding part move properly turned on or the CR is sliding part of lever with printer of the CR unit and activated
5. cartridge Replace the head unit Is printing normal Yes Print nozzle check pattern Do all dots print OK Yes Most nozzles print Is head FFC continuity OK Replace the head FFC Y Is printing normal No Continued in Figure 5 7 A Yes Yes Yes Yes Replace or clean the White banding PF roller or gear 70 mm problem occurs Image is not clear Replace the MAIN gt board Is printing Yes normal Y the correct Are th N SS printer driver and fead can and 9 Perform Head Gap timing paper settings Bi d correct and Bi d adjustments selected Yes Use the driver for Stylus No Is Yes COLOR 800 or select lt pining the proper paper settings normal Are Is Yes head angle printing gt and vertical No Perform the Head Angle and normal adjustments BK M Linear Adjustments p Yes Repair printer mechanism ci correct Yes i See Section 5 5 No s la printing Yes y gt normal y Is printing normal p Replace the MAIN board Ay Figure 5 6 Flowchart 4 1 the correct printer driver and paper settings selected Use the driver for Stylus Yes COLOR 800 or select the proper paper se
6. when you press LOAD disconnected connected to CN8 or start printing but loading is not completed and paper empty error occurs ASF keeps trying to ASF LD rolleris Check the surface of Clean or replace the load paper but paper worn or there is the LD roller LD roller is not loaded paper dust Last sheet of paper in The guide sheet is Check if the Use the appropriate the ASF is not loaded not placed appropriate guide guide sheet sheet is used Transparency sheets Transparency Check if the adapter Use the OHP adapter not loaded OHP adapter is is mounted or is correctly not used correctly used Ink out or ink end Ink consumption Enter the ink cartridge occurs when you turn counter not reset change sequence on the printer but the when cartridge again to replace the cartridge is new was replaced ink cartridge during ink cartridge change sequence sensor defective Table 5 2 printhead Head FFC is Check if the head Connect the correct disconnected FFC is connected to FFC to CN9 or CN10 CN9 or CN10 Head FFC is Check current of pin 1 Replace the head damaged for each head FFC FFC All dots or most dots in Bubbles in the 1 Alternate cleaning the nozzle check and printing pattern are not printed Printer driver utility is useful If ink in cartridge is more than 2 5 run initial ink charge sequence in the adjustment program Enter ink cartridge change sequence to
7. 1 and 3 of IC9 at a normal reset IC for IC9 driver defective state mechanism is ate not functioning Ta PISIS correctly when ae DI SELECT unn pe 7 BAUE the printer is turned on and off ccall Replace IC8 or IC19 line or IC19 of IC19 and 0 V is input to pin 2 is defective of IC19 and 5 V is output from in 4 of IC19 in a normal state TERTRONIX 2230 Alls B anu Mes np CRU1 or e Check that the waveform shown Replace the CRU2 is below is output from both leads defective CRU defective of the CRU ERTEONT 5 14 EPSON Stylus COLOR 800 Service Manual Troubleshooting Table 5 8 Repair of C202 MAIN Board Components 2 Symptom Description Cause Checkpoints Solution CR does not CR does not IC13 or IC2 e Check that the driving waveform Replace IC13 operate properly operate properly is defective for each phase output from 1C13 is as shown below The figure below represents the waveforms for the phase A and phase A EKTRONIX 2230 133 Pu JoLvp afjzahs 41 0 e7 he auel gu 5 Replace the defective changeover waveform output MAIN board from IC2 to IC13 is as s
8. GND pin 1 and lead of the meter on HIGH when no paper is loaded 3 PEV pin 2 s Place the lead of the meter on LOW when cartridge is installed pin 1 and lead of the meter on HIGH when cartridge is not pin 3 installed Place the lead of the meter on LOW when cartridge is installed pin 1 and lead of the meter on HIGH when cartridge is not pin 3 installed Printhead 10K Q 10 at 77 F 25 C thermistor o color head 5 1 3 Motor Checkpoints Table 5 3 shows the checkpoints for each motor Table 5 3 Coil Resistance for Each Motor and Check Procedure CN11 Place one lead of the meter on pin 1 9 3 0 1096 ASF Pump motor 2 and the other lead on pin 3 at 25 C 77 F each phase i Place one lead of the meter on pin 2 and the other lead on pin 4 CN12 Place one lead of the meter on pin 1 7 80 10 CR Motor and the other lead on pin 8 at 25 C 77 F each phase Place one lead of the meter on pin 2 and the other lead on pin 4 CN13 Place one lead of the meter on pin 1 50 10 PF motor and the other lead on pin 8 at 25 C 77 F each phase Place one lead of the meter on pin 2 and the other lead on pin 4 EPSON Stylus COLOR 800 Service Manual 5 3 Troubleshooting 5 2 Repair and Replacement of Unit Parts This section contains flowcharts that let you isolate faulty units by following the flowchart for the problem You can identify the faulty u
9. foreign matter from the surface of the driven roller Perform adjustment using the adjusting utilities and programs Refer to 4 12 and 4 15 in Chapter 4 Refer to the corresponding solution on the previous page Set the PG lever to paper loaded does Check paper thickness Use only paper within specifications given in Chapter 1 specifications Service Manual 5 21 Troubleshooting 5 6 Pump Check Procedure When you encounter missing dots in the printout and you have run cleaning cycles and the initial ink charge sequence without success try the following procedure to check the pump and clear the nozzles a Turn the printer off 2 Move the printhead manually to the right until you hear the click that means the carriage lock is disengaged 3 Then slide the carriage assembly left enough to see the capping mechanism 4 Using a dropper or straw place several drops of warm water into the capping mechanism 5 Turn the printer back on The carriage moves back to the home position and the printhead is above capping mechanism 6 Follow the procedure in Chapter 3 Disassembly to remove the printer mechanism 7 Turn the printer on and see if water flows through the tubes to the waste ink pads If water does not flow through the tubes U Check for twisted or damaged tubes U Check if ink tubes are properly connected U Check if the rubber part of the cap assembly is damaged U Check if the
10. install a newly unpacked ink cartridge EPSON Stylus COLOR 800 Service Manual 5 19 Troubleshooting Table 5 13 Repair of the Printer Mechanism 4 Symptom Checkpoints Solution Abnormal printing You run 5 cleaning Head FFC is cycles see Chapter 6 disconnected for procedure or install a newly unpacked ink cartridge but all or most dots are not printed in the nozzle check pattern is connected to CN9 or CN10 Check if the head FFC Connect the correct FFC to the CN9 or CN10 Head FFC is Check the continuity of Replace the head damaged each FFC FFC Check if the head cleaner comes into contact with the head properly 1 Check if ink tubes are properly connected to the cap assembly Check if ink tubes are twisted or damaged Check if the rubber Pump unit does not absorb ink Adjust the head cleaner position Replace the head cleaner Adjust the PG Connect the ink tubes to the cap assembly properly Replace the ink tubes or the pump unit Replace the cap assembly part of the cap assembly is deformed Check if the air valve in the cap assembly is damaged Perform the pump check procedure given at the end of this chapter If the problem still Replace the occurs after verifying printhead all checkpoints mentioned above Check the nozzle condition by performing nozzle check Check the surface of Clean the PF
11. roller the PF roller surface or replace the PF roller Replace the air valve or the cap assembly See page 5 22 Printhead is defective Refer to the solution described in the previous page White banding appears Dot missing PF roller is worn or is smudged with the ink 5 20 EPSON Stylus COLOR 800 Service Manual Ink smudges EPSON Stylus COLOR 800 Table 5 14 Repair of the Printer Mechanism 5 Symptom Checkpoints Solution Some gear teeth Check the teeth of the Replace the gear 70 broke or the gear gear 70 mm 70 mm does not Check if the gear engage the PF roller shaft properly The driven roller on the upper paper guide is worn or the torsion spring 117 6 g lacks sufficient tension Head gap or Bi d is not adjusted adequately Head angular or head vertical driven roller upper paper 70 mm rotates constantly with the torque from the PF motor Check if the surface of the driven roller on the upper paper guide is blackish or is covered with foreign matter Check if the torsion spring is bent or hooked securely Check the head gap and Bi d status by using the printer driver utility adjust program or control panel Refer to 4 12 and 4 15 in Chapter 4 Check if the nozzles are clogged by performing nozzle Troubleshooting mm or reinstall the gear 70 mm properly Replace the driven roller or the torsion spring Remove the
12. Chapter 5 Troubleshooting 5 1 Troubleshooting Guidelines sise 5 1 5 21 Error Mode si nate cht ae nn td t c c Mte leew ee eee il E 5 1 5 1 2 Sensor Checkpoints ox hele aceata ao ada a na a tu a e al a ata ada ea 5 3 5 1 3 Motor Checkpoints ses 5 3 5 2 Repair and Replacement of Unit Parts eee 5 4 5 3 Repair of C202 PSB PSE Board Components 5 12 5 4 Repair of C202 MAIN Board Components 5 14 5 5 Repair of the Printer Mechanism 5 17 5 6 Pump Check Procedure rcu nent Go Ba da o li a a e d 5 22 EPSON Stylus COLOR 800 Service Manual Troubleshooting 5 ii EPSON Stylus COLOR 800 Service Manual Troubleshooting 5 1 Troubleshooting Guidelines This section describes how to identify and troubleshoot problems to repair the printer either to the unit assembly level or to the component level When replacing or repairing units or assemblies follow the flowchart for that assembly or unit which enables you to isolate the problem easily based on the symptom To repair to the component level see sections 5 3 and 5 4 which provide checkpoints listed separately for major electric parts This section provides information on the error modes displayed on the control panel and check lists used to determine if the units in each assembly are normally functioning 5 1 1 Error Mode The LEDs on the control panel identify a number of abnormal conditions for this printer Table 5 1 lists the printer errors and corresponding LED status
13. LECT JAUEF ORY 2 SAVE IC1 or IC2 is defective phase changeover waveform output from IC2 to IC6 is as shown below TELTEDHIX e230 pn apu Mues gpu i 5 16 EPSON Stylus COLOR 800 Service Manual Troubleshooting 5 5 Repair of the Printer Mechanism This section consists of tables containing symptoms descriptions possible causes checkpoints and solutions you need in troubleshooting problems with units in the printer mechanism Table 5 10 Repair of the Printer Mechanism 1 Symptom Description Possible cause Checkpoints Solution CR does not A fatal error occurs The CR motor Check if the CR motor Connect the CR move properly when the printer is connector is not connector cable is motor connector turned on and CR properly properly connected to cable to CN12 motor does not rotate connected No abnormal noise CR motor coil is Check CR motor coil Replace the CR open resistance referring to motor Table 5 3 The timing belt Check if the timing Reinstall the timing is not engaging belt is engaged with belt or replace it the gears the CR pinion gear of the belt pulley When the printer is HP sensor Check if the HP Connect the HP turned on the CR connector is sensor connector sensor connector moves away from disconnected cable is connected to
14. S ermal bag operation MR NO Is the YES normal operation normal Replace the MAIN Replace the MAIN NO board board Release End Is the YES CR lock lever YES cap assembly with printer power off Does OK NO NO Is the Replace the cap operation assembly or reinstall it normal YES See Section 5 5 Repair of the Printer Mechanism vw Oil the CR or clean the CR shaft See Chapter 6 CAUTION Do not use too much oil End Figure 5 3 Flowchart 2 EPSON Stylus COLOR 800 Service Manual Q Flowchart 3 1 The printer feeds paper abnormally Start Y After CR lock is released does PF roller move when printer is turned on YES After printer power on does it keep trying to feed paper and indicate a fatal error Foreign matter is lodged on the ASF HP sensor Remove the foreign matter y Is the operation normal Is the NO Troubleshooting PF motor cable securely connected to CN13 Connect the cable securely to CN13 NO ASS the operation normal Is the resistance of the PF motor coil normal if bad Replace the PF NO motor Check the drivers and replace YES Is the operation normal printer power on does it keep trying to eject a sheet and indicat
15. See Figure 5 1 for the arrangement of LEDs Table 5 1 Printer Error Status Initial ink charge sequence is proceeding Blinks Ink cartridge change sequence is proceeding Blinks Paper out On Paperjam 1 Bis usen o o E No black ink cartridge installed Black ink cartridge ink low Blinks Color ink cartridge ink end No color ink cartridge installed Color ink cartridge ink low Maintenance required Waste ink pads need Blinks Blinks replacing Fatal error Note means no effect EPSON Stylus COLOR 800 Service Manual 5 1 Troubleshooting 5 2 Figure 5 1 Control Panel EPSON Stylus COLOR 800 Service Manual Troubleshooting 5 1 2 Sensor Checkpoints Table 5 2 shows the checkpoints for each sensor Table 5 2 Checkpoints for Each Sensor Sensor CN no Test pin no Test procedure Meter reading Set meter to DC voltage CN6 HP sensor 1 HP Place the lead of the meter on HIGH at home position 5 V 2 GND pin 1 and lead of the meter on LOW at other positions GND 3 HPV pin 2 CN7 1 ASF Place the lead of the meter on LOW at home position ASF HP sensor 2 GND pin 1 and lead of the meter on HIGH at other positions ASFV pin 2 CN8 PE sensor PE Place the lead of the meter on LOW when paper is loaded 5
16. air valve in the cap assembly is damaged U If everything with the tubes is OK replace the pump mechanism 8 Reassemble the printer and run another cleaning cycle 5 22 EPSON Stylus COLOR 800 Service Manual
17. al YES NO lt q printing gt normal v YES Is the Replace the defective d lt printing printhead normal NO lt Replace the MAIN board v Figure 5 7 Flowchart 4 2 5 10 EPSON Stylus COLOR 800 Service Manual Flowchart 5 The control panel does not function normally Start Does the Power NO button operate control panel normally Qperate Is the FFC properly connected Check FFC for continuity Is there continuity YES v Switch on and off and check the continuity between each signal line for the Power button on the control panel and ground using a multimeter Switch on and off and check the continuity between each signal line for the buttons on the control panel and ground using a multimeter Is the YES Troubleshooting operation normal Replace the control panel Is the YES operation normal Connect the panel FFC properly Is the operation normal YES Replace the FFC Is the YES operation normal Is the YES operation normal NO Replace the MAIN board Is the FFC properly connected Check FFC for continuity Is there continuity NO Replace the control panel
18. e a fatal error Foreign matter is lodged on the PF sensor in the upper paper guide assembly Replace the MAIN gt board End If the LOAD button is pressed or printing is activated does a fatal error occur Continued on Figure 5 5 A YES Remove the foreign matter NO Is the YES Is the PE sensor working normally Replace the MAIN operation normal Replace the PE sensor Is the operation normal YES board NO sensor working p eplace the ASF P sensor NO Is the operation normal YES Replace the MAIN board Figure 5 4 Flowchart 3 1 EPSON Stylus COLOR 800 Service Manual Troubleshooting Q Flowchart 3 2 The printer feeds paper abnormally Continued from Figure 5 4 A If you press LOAD or activate printing does a fatal error occur Yes Is the ASF pump motor cable securely connected to CN11 Yes If you press LOAD No and a paper empty error occurs or activate printing does the printer print half a sheet of paper Yes Check that CN8 is connected Is the operation normal Yes Is the PE No EM sensor functioning y normally Replace the PE sensor Is the operation no
19. hown below EKTRONIX 2230 E au EI du Paper is not fed PF motor does IC16 or IC2 e Check that the drive waveform Replace the properly not operate is defective for each phase output from the IC16 properly IC16 is as shown below The figure below represents the waveforms for the phase A and phase A EKTROHTS ceai aud 0 p pn ps uetan cel ecd amlecaby put EPSON Stylus COLOR 800 Service Manual 5 15 Troubleshooting Table 5 9 Repair of C202 MAIN Board Components 3 Symptom Description Cause Checkpoints Solution ___ Paper is not fed PF motor does 1C16 or IC2 e Check that the PF motor phase Replace the properly not operate is defective changeover waveform output MAIN board properly from IC2 to IC16 is as shown below EKTRONIX een 30 npu ID pa zMgz np SELECT VOUEEORH 2 SAUE ASF does not ASF pump IC6 or IC2 is e Check that the drive waveform Replace IC6 load paper or the motor is not defective for each phase output from IC6 pump driven properly is as shown below The figure mechanism is not below represents the waveforms driven for the phase A and phase A TEFTROHIX e230 AU 0 gt T G100im 2Ues ny SE
20. nit based on the primary symptom listed in Table 5 4 Refer to sections 5 3 5 4 and 5 5 for information on repair to the component level for the PSB PSE board MAIN board and the printer mechanism Table 5 4 Symptoms and Corresponding Flowcharts Symptom Cause Flowchart 2 The printer does not operate at all CR moves abnormally The printer feeds paper abnormally Printing is abnormal The control panel does not function normally U No LED goes on U LED goes on but the printer mechanism does not operate at all U When the printer is powered on the CR leaves home position and a fatal error is indicated The printer makes no abnormal noise U When the printer is powered on the CR motor immediately starts rotating irregularly anda fatal error is indicated U When the printer is powered on the CR does not move at all U After the power on sequence the printer attempts to eject a sheet for about 10 seconds and then indicates a paper jam error Q If the LOAD button is pressed or any paper loading operation is activated after the power on sequence the printer loads paper from the ASF and then indicates a fatal error Q If the LOAD button is pressed or any paper loading operation is activated after the power printer indicates a fatal error U No image is printed U Faulty printing result dot missing uneven printing U No LEDs on the control panel go on U Buttons on the control panel d
21. o not function normally U Power on button does not work EPSON Stylus COLOR 800 Service Manual Q Flowchart 1 The printer does not operate at all Start v Check for error light indication If the lights indicate an error use Table 5 1 to determine the problem If there are no lights follow this flowchart y NO Use only the Is the AC voltage correct AC voltage correct Replace the fuse Then disconnect Has fuse F1 on the PSB PSE board blown out CN4 on the main board and turn on power again NO Does the output voltage from CN2 on the NO fuse blow again YES PSB PSE board normal a Check motors printhead and drivers and if bad replace See Section 5 5 Repair of the Printer Mechanism Is the problem corrected Replace the main board Figure 5 2 Flowchart 1 EPSON Stylus COLOR 800 Service Manual Replace the PSB PSE board Is the problem corrected Troubleshooting 5 5 Troubleshooting U Flowchart 2 CR moves abnormally Is the operation normal YES Start Does Is the CR motor N NO CR move when 9 be connector cable ue bed on connected to f CN127 Connect the CR motor YES connector cable to
22. rmal No Replace the MAIN board p gt No Connect the ASF pump motor cable to CN11 Is the Is the ASF HP sensor cable securely connected to Is the ASF HP sensor functioning normally Is the resistance of the ASF pump motor coil normal Is the gear 27 2 mm disengaged from the ASF LD shaft Engage the gear 27 2 mm with the ASF LD shaft No operation Yes normal Reconnect the ASF HP sensor cable to CN7 No ls the Yes operation gt normal Replace the ASF HP sensor No Is the Yes operation gt normal Replace the ASF pump motor and check the drivers Replace if bad Is the No E Yes operation gt normal Replace the MAIN board gt gt Figure 5 5 Flowchart 3 2 EPSON Stylus COLOR 800 Service Manual END Troubleshooting U Flowchart 4 1 Printing operation is abnormal Start y Does the printer No print after Does the printer indicate Ink End Yes Replace the ink cartridge power on ou replaced Start the cartridge replacement Yes fa cade during Me sequence and replace the ink the ink change cartridge again Is printing normal Yes the sensor properly detect the presence of a
23. the CN12 properly Does CR Do NO leave home position heara stop and then noise after printer motor coil power on and a fatal error occurs resistance OK See Section 5 5 Repair Replace the CR of the Printer Mechanism p YES YES CN6 YE HP sensor cable connected securely to motor Check drivers and replace if bad Connect the HP Is the operation normal YES gt sensor cable to CN6 S Replace the MAIN eth board NO s the YES operation gt normal is the CR Release CR lock oes e pp See Section 5 5 Repair E lock lever lever with power off aaa of the Printer Mechanism there foreign released matter between Remove foreign HP sensor matter YES nals folles ide is the s PF motor cable Is the with powes connected securely D M operation on to CN13 normal NO s the YES Operate the unit several operation Does HP fines to be sure the normal sensor function Replace the HP i normally Sensor problem is solved Replace the PF resistance of motor Also check YES PF motor coils drivers and replace i NO Jl ls the YE
24. tting EPSON Stylus COLOR 800 Service Manual 5 9 Troubleshooting U Flowchart 4 2 Printing operation is abnormal A Continued from Figure 5 6 Most NO nozzles print Y YES Replace the head cleaner lor the pump unit properly functioning2 Run cleaning cycles using the cleaning button See procedure in Chapter 6 Is the printing normal YES Is the head cleaner NO Reinstall the head gt positioned cleaner or replace it Does correctly ls the Your PC hav NO Run self test for 1 line Then printing the correct y perform necessary cleaning ls the YES normal printer using the CLEANING button printing driver in self test mode normal YES Check or replace the cap unit or the the pump unit Perform cleaning by alternating printing the nozzle check in the driver utility and running the head cleaning 5 times maximum Is the YES printing normal ink cartridge more than 2 5 full Run the manual initial ink charge operation in the adjustment program NO Enter the ink cartridge change sequence to install a newly unpacked ink cartridge NO Replace the defective head head FFC nuity orm
25. you heara the CR unit and power off and check if the top frame or strange noise a fatal the top frame the CR moves remove foreign error is indicated then are not smoothly manually matter if found the CR stops lubricated or CAUTION foreign matter is Do not use too jamming the much oil or you CR could damage the printhead Foreign matter Release CR lock lever Replace the CR oil lodged between with power off and pad CR shaft and check if CR moves Clean the CR shaft CR unit smoothly manually using a soft cloth The CR does CR returns to home Cap in cap Check whether the Reinstall the cap not move position there is a assembly does cap assembly is assembly or properly strange noise and a not fit cap properly installed replace the cap fatal error is indicated frame assembly Paper is not fed PF motor does not PF motor Check if the PF motor Connect the PF properly rotate at power on connector cable connector cable is motor connector CR lock lever is not is disconnected connected to CN13 cable to CN13 released there is a strange noise and a fatal error occurs PF motor coil is Check PF motor coil Replace PF motor open resistance using Table 5 3 When the printer is Foreign matter Check if there is Remove the turned on it keeps lodged between foreign matter lodged foreign matter trying to load paper ASF HP sensor between ASF HP and indicates a fatal terminals sensor terminals
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