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Croma24 Service Manual
Service Station Cleaning .............................................................................. 45
Linear Encoder Strip Cleaning......................................................................46
Cartridge Dimple Cleaning ...........................................................................47
Flex Cable Contact Cleaning ........................................................................48
Clean and Inspect Stepper Motor Gears ......................................................48
Clean and Inspect MPCB .............................................................................49
Clean and Inspect Carrier Assembly ............................................................49
Reseat Connectors on MPCB and Carrier Board................................................50
Replace Carrier Bushings ...................................................................................52
Servo Motor Winding Resistance Check ...................................................................52
Stepper Motor Winding Resistance Check................................................................53
Banding: Hardware vs Software ................................................................................53
Alignments/Adjustments............................................................................................55
Color Calibration .................................................................................................55
Deadband Alignment ..........................................................................................56
X-Axis Calibration ............................................................................................... 57
Pinch Roller Adjustment Procedure ....................................................................57
Head Height Alignment Procedure......................................................................60
Croma24 Control Panel.............................................................................................65
Manufacturing Menu ...........................................................................................66
Print Quality Test ..........................................................................................67
Deadband .....................................................................................................67
Diagnostics Menu ............................................................................................... 68
Paper Sensor Test........................................................................................69
Fan Test .......................................................................................................69
Carriage Vibration Test .................................................................................70
Color Test .....................................................................................................70
Keypad Test .................................................................................................71
LED Test ...................................................................................................... 72
Servo Motor Test ..........................................................................................72
Paper Motor Test.......................................................................................... 73
Service Menu......................................................................................................74
Built In Test (BIT) ...................................................................................................... 75
Table of Contents (cont)
Chapter 3 Maintenance (cont)