Intermec EasyCoder PX4i - Print Quality Troubleshooting

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EasyCoder PX4i and PX6i Service Manual 101

Chapter 8 — Print Unit

EasyCoder PX4i

EasyCoder PX6i

Wrinkling Turn Screwdriver

Inner side Counterclockwise

Outer side Clockwise

#T20 Torx screwdriver

Ribbon assist roller

#T20 Torx locking screw

#T20 Torx screwdriver

Ribbon assist roller

#T20 Torx locking screw

Main Page

Default Chapter3
- Table of Contents3
- Before You Begin7
- Introduction9
Models and Options11
- Identiﬁ Cation12
- Easycoder Px4I Speciﬁ Cations18
- Easycoder Px6I Speciﬁ Cations20
- Measures Easycoder Px4I22
- Front View22
- Measures Easycoder Px6I23
Front and Keyboard25
- Front26
- Keyboard/Display27
- Console Pcb31
Covers and Doors35
- Right-Hand Door36
- Front Door37
- Left-Hand Cover38
Chassis39
- Description40
- Center Section42
- Bottom Plate42
- Rear Plate43
Media Supply45
- Internal Supply46
- Paper Sensor49
- Three-Inch Adapters50
- Media Roll Retainer51
- Fan-Fold Guides52
Label Slack Absorber55
- Description56
- Dismantling57
Transfer Ribbon Mechanism59
- Description60
- Ribbon Supply Unit61
- Ribbon Rewind Unit64
- Ribbon Sensor67
Print Unit69
- Description70
- Platen Roller77
- Easycoder Px4I Parts78
- Stepper Motor80
- Belts82
- Label Stop Sensor86
- Printhead94
- Replacing the Printhead100
- Headlift Sensor103
- Headlift Mechanism106
- Printhead Pressure Adjustment108
- Ribbon Assist Roller110
- Media Feed Principles112
Liner Takeup Kit115
- Description116
- Main Parts119
- Easycoder Px6I Overview120
- Liner/Batch Takeup Unit121
Label Taken Sensor123
- Description124
- Installation125
- Activating the LTS126
- Adjustment126
Paper Cutter127
- Description128
- Installation129
- Controlling the Cutter132
- Media Load132
- Servicing133
- Spring Replacement134
Electronics Compartment135
- Introduction136
- Accessing the Electronics Compartment136
- Main Parts137
Power Supply139
- Replacement139
- Description140
- Components144
- Schematics146
Driver Board 14.1 Description148
- Replacement148
  - Components150
- Schematics152
CPU Board153
- Test Points153
- Description154
- Circuits155
  - Connections160
- Test Points161
- Startup162
- Replacing the CPU Board174
Interfaces176
- Introduction176
  - Serial Communication Port "Uart1177
- USB Interface178
- Bar Code Wand Interface179
  - Installing an Optional Interface Board180
- Serial/Industrial Interface Board184
- Double Serial Interface Board194
  - IEEE 1284 Parallel Interface Board204
- Easylan Ethernet Interface Board208
- Easylan Wireless Interface Board213
- Vcc5218
Troubleshooting219
- Diagnosing220
- No Reaction at Power up223
- Printer Stops Working after Startup224
- CPU Board Failures226
- Power Supply Unit Failures228
- Driver Board Failures229
- Console Errors230
- Error Messages232
- No Communication (General)234
- No Serial Communication235
- No Network Communication237
- Sensor Malfunctions241
- Printing Troubles244
- Transfer Ribbon Troubles248
- Liner Takeup Troubles250
- Memory Card Troubles251
- Paper Cutter Troubles252
Program Overviews255
- Intermec Shell Overview256
- Setup Mode Overviews (Fingerprint)257
  - Feed Adjust258
  - Print Defs260
- Setup Mode Overviews (IPL)266
Firmware Upgrading271
- Introduction272
- General Principles272
- Upgrading from a Memory Card273
- Upgrading from the Host275
Measuring the Break Torque279
- Measuring the Brake Torque279

Intermec EasyCoder PX4i - Print Quality Troubleshooting

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