Canon MP638 Service Manual

Also see for MP630 SERIES: On-screen manual

Canon MP638 Service Manual Manual pdf 3 page image

1. MAINTENANCE1-1. Adjustment, Periodic Maintenance, Periodic Replacement Parts, and ReplacementConsumables by Service Engineer(1) AdjustmentMP630 / MP638 TABLE OF CONTENTSAdjustment Timing Purpose Tool Approx.timeEEPROMinitialization- At logic board replacement To initialize settings Service Tool *2Perform in the servicemode.1 min.Destination settings(EEPROM settings)- At logic board replacement To set destination. Service Tool *2Perform in the servicemode.1 min.Ink absorber counterresetting(EEPROM settings)- At logic board replacement- At ink absorber replacementTo reset the ink absorber counter. Service Tool *2Perform in the servicemode.1 min.Ink absorber countervalue setting(EEPROM settings)- At logic board replacement To set the ink amount data in theink absorber to the ink absorbercounter.Service Tool *2Perform in the servicemode.1 min.Ink absorberreplacement- When the ink absorberbecomes fullTo replace the ink absorber with anew one.Screwdriver, a pair oftweezers, etc.15 min.Paper feed motorposition adjustment- At paper feed motorreplacementTo adjust the belt tension.(Position the paper feed motor sothat the belt is stretched tight.)None. 5 min.CD / DVD detectionsensor light volumecorrection *1- At carriage unit replacement- At logic board replacementTo correct the light volume for theCD / DVD detection sensor.Service Tool *2Perform in the servicemode.5 min.Automatic printhead alignment- At print head replacement- At logic board replacement- When print quality is notsatisfyingTo secure the dot placementaccuracy.None.Perform in the user mode.7 min.(Use MP-101.)Manual print headalignment- At print head replacement- At logic board replacement- When print quality is notsatisfyingTo secure the dot placementaccuracy.None.Perform in the user mode.10 min.Grease application - At carriage unit replacement- At Easy-Scroll WheelreplacementTo maintain sliding properties ofthe following items:- Carriage rail- Wheel baseFLOIL KG-107A 1 min.Ink system functioncheck- At logic board replacement- At spur unit replacement- At carriage unit replacementTo maintain detectionfunctionality for presence of theink tanks and each ink tankposition.Service Tool *2Perform in the servicemode.1 min.LCD languagesettings- At logic board replacement To set the language to bedisplayed on the LCD.None.Perform in the user mode.1 min.Platen glassprotection sheet(document pressuresheet) positionadjustment- At protection sheet replacement- At document bottom coverreplacement- At scanner unit replacementTo maintain scanning accuracy,hold the sheet with the long sidedown, then fit its upper left cornerto the platen glass reference mark(back left).None. 1 min.LF / Eject correction - At logic board replacement- At paper feed rollerreplacementTo correct line feeding (LF rollerdiameter).Service Tool *2Perform in the servicemode.5 min.(LFcorrection1 / 45