Canon BJC-5000 Service Manual

Also see for Color Bubble Jet BJC-5000 Series: Parts catalog User manual

Part 5: MaintenanceBJC-50005-136. In some cases, several corrective actions are successively indicated in “Errorcondition diagnosis” and “Symptoms.” These are steps that must be followed toresolve the problems. After you perform each corrective action step, make a testprint to confirm whether the problem has been fixed. If the problem persists,perform the next step.Example 2Corrective action 1: After replacing the BJ cartridge, execute a test printout to checkwhether the problem has been fixed. If the problem persists, perform the next step(corrective action 2), which calls for replacement of the logic board.7. Ink cartridge replacement as a corrective action is only applicable when the colorBJ cartridge has produced the “Symptom.” When using the black BJ cartridge fortroubleshooting, advance to the next step.8. After finishing troubleshooting, be sure to reconnect connectors and tighten anyloosened screws.When replacing the control board, be sure to execute the EEPROM allclear and AA sensor calibration and check the waste ink absorptionamount of the waste ink absorber. In addition, replace the waste inkabsorber or set the waste ink amount according to the requirement. Referto“Part 3: 3.4 Service Mode” (page 3-18)and “Part 5: 4.3 Logic Board and WasteInk Absorber Replacement Cautions” (page 5-6).YesNoBJ Cartridgeis faultyCheck the BJ cartridge1. Replace theBJ cartridgeEND2. Replace thelogic board MPU is faultyRemove and reinstallthe BJ cartridgePrinterrecognizes thecartridge ?•••CAUTION