1. MAINTENANCE1-1. Adjustment, Periodic Maintenance, Periodic Replacement Parts, and Replacement Consumables by Service Engineer(1) AdjustmentNote: DO NOT loosen the red screws on both sides of the main chassis, securing the carriage shaft positioning.*1: Red screws of paper feed motorThe red screws securing the paper feed motor may be loosened only at replacement of the paper feed motor unit.(2) Periodic maintenanceNo periodic maintenance is necessary.(3) Periodic replacement partsThere are no parts in this printer that require periodic replacement by a service engineer.(4) Replacement consumablesThere are no consumables that require replacement by a service engineer.1-2. Customer MaintenanceAdjustment Timing Purpose Tool Approx.timeEEPROMinitialization(EEPROM settings)At logic board ass'y replacement To initialize settings other than the following:- USB serial number- Destination setting- Waste ink counter- CD-R correction valueNone. 1 min.Destination settings(EEPROM settings)At logic board ass'y replacement To set the destination. None. 1 min.Waste ink counterresetting(EEPROM settings)- At bottom case unit replacement- At ink absorber (QC1-5381 / 5382 / 5383 /5384 / 5385 / 5386 / 5387 / 5388 / 5389 /5390) replacementTo reset the waste ink counter. None. 1 min.CD-R sensor /automatic print headalignment sensorcorrection (EEPROMsettings)- At logic board ass'y replacement- At carriage unit replacementTo correct the CD-R and automatic print headalignment sensor.None. (Correctionperformed throughservice test print)2 min.Print head alignment - At print head replacement- At logic board ass'y replacement- At carriage unit replacementTo ensure accurate dot placement. - None. (printer buttons)- Computer (settings viathe printer driver)2 min.Paper feed motorposition adjustment *1At paper feed motor unit replacement To adjust the belt tension. (Position the paperfeed motor so that the belt is stretched tight.)None. 2 min.Grease application - At carriage unit replacement- At chassis' upper gear replacement- At shaft lift (QC1-4331) replacement- To maintain sliding properties of the carriage,carriage shaft, and shaft lift.- To protect the chassis' upper gear.- FLOIL KG-107A(QY9-0057)- MOLYKOTE HP300(QY9-0035)- EU-1 (QY9-0037)1 min.Adjustment Timing Purpose Tool Approx. timePrint head alignment At print head replacement. To ensure accurate dot placement. - Printer buttons- Computer (automatic settingsvia the printer driver)3 min.Print head cleaning When print quality is not satisfying. To improve nozzle conditions. - Printer buttons- Computer (settings via theprinter driver)1 min.Print head deepcleaningWhen print quality is not satisfying, and notimproved by print head cleaning.To improve nozzle conditions. Computer (settings via theprinter driver)2 min.Ink tank replacement When an ink tank becomes empty. (No inkerror)----- ----- 2 min.Paper feed rollercleaningWhen paper does not feed properly. To clean the paper feed rollers. Printer buttons 2 min.CD-R print positionadjustmentAt CD-R printing, when necessary To correct CD-R print position. Computer (applicationsoftware)5 min.Bottom plate cleaning When the back side of the paper is smeared To clean the platen ribs. Computer (applicationsoftware)1 min.1 - 1