Chapter 44-13F-4-25Make sure to keep the carriage unit level when removing it to prevent the protective mylar from being removed. Removal of the protective mylar willdamage the roller due to contact with the carriage unit rollers and result in noise, thus affecting print quality.b) Mounting the carriage beltTo mount the carriage belt, align the all notches of the carriage belt with the belt stopper.F-4-26c) Procedure after replacing the carriage unit/registration sensorThe optical axis is compensated to adjust the image printing position at factory shipment because there are fluctuations among machines in the distancebetween the registration sensor (in the carriage unit) and nozzle (in the print head). Therefore, adjustment must be performed when replacing ordisassembling/assembling the carriage unit or registration sensor.Enter the service mode under the following condition:Service mode: SERVICE MODE > ADJUST > PRINT PATTERN > OPTICAL AXISHead height: LOW positionMedia type: Photo Glossy PaperMedia size: 24 inchd) Removing the head holder1) Drain the ink. For details, refer to DISASSEMBLY/REASSEMBLY > Points to Note on Disassembly and Reassembly > Draining the Ink.2) Turn off the power, and then move the carriage over the platen. For details, refer to DISASSEMBLY/REASSEMBLY > Points to Note on Disassemblyand Reassembly >Opening the Caps and Moving the Wiper Unit.3) Remove the shaft cleaner, tube holder cover and tube holder.4) Remove the printhead.Carriage unitProtective mylarIdler roller mountFeed roller plateCarriage beltBelt stopper
