TABLE OF CONTENTS
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Section 6 – Disassembly/Assembly Procedures 51
Preparing the Printer for Service 51
Installation and Service Videos (where to find) 52
Basic Disassembly 52
Service Disassembly Procedures 52
Left-hand (Operator) Side Covers 53
Right-hand (Non-Operator) Side Cover 54
Replacing Motor Drive Belt or Motor 55
Replacing the Clutch 55
Replacing the Feeder Encoder and/or Encoder Sensor 56
Replacing Feed Rollers 57
Replacing Delivery Rollers 60
Replacing Interface (I/O) Board 64
Replacing the Main PC Board (MPCA) 65
MPCA (Main Printed Circuit Assembly) Connections 85
Removing the Print Engine 86
Print Engine Basic Disassembly 91
Removing the Print Engine Base 91
Replacing Peristaltic Pump Assembly 92
Replacing Dual Pinch Valve Assembly 92
Cleaning Dual Pinch Valve Sensors 93
Replacing Dual Pinch Valve Sensor PC Board 94
Replacing DPCA Board 97
Replacing Buffer Boxes (3 per machine) 98
Replacing the Ink Tank Interface Boards 98
Removing the Pen Driver Printed Circuit Assembly (PCA) 99
Removing the Starwheel Assemblies 99
Replacing the Ink Tank Latches 100
Replacing the Printhead Lever Latch 100
Replacing the Printhead Lever Latch Solenoid 103
Replacing the Clamshell Latch Pins 105
Upper Clamshell Latch Pin Replacement - Kit (42-900-35) 105
Lower Clamshell Latch Pin Replacement Kit (42-900-30) 110
Replacing the Ink Revolvers 113
Replacing Lifter Motor Assembly or Lifter Gear 115
Replacing Stepper Motor 116
Accessing Items Behind the Main Printed Circuit Assembly (MPCA) 117
Replacing Encoder or Encoder Sensor 118
Replacing Service Station Lifter Arm Sensor 118
Replacing Paper Path Motor or Drive Belt 119
Replacing Belt Drive Gear Pulleys 120
Reinstall the Main Printed Circuit Assembly 121
Accessing Items Under the Clamshell Assembly 122
Replacing Paperpath Exit Sensor 122
Replacing Paperpath Entry Sensor 123
Replacing Service Station Sled Printed Circuit Boards 124
Replacing Wiper Motor Flex Cable PCA 124
Replacing Service Station Lifting Arms 125
Section 6 – Service Maintenance 133
Maintenance Schedule 133
Replacing the Ink Tanks 134
Cleaning Ink Tank Contacts 135
Cleaning the Printhead Cartridge 137
Replacing the Printhead Cartridge 138
Printhead Storage & Shelf Life 139
Printhead Service Life 139
Printhead Disposal 139
Cleaning Pen Driver Printed Circuit Board Contacts 140
Inspecting & Cleaning the Lip of the Capping Station 141
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