Intermec EasyCoder PX4i - Setting Up the Printer

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EasyCoder PX4i and PX6i Service Manual 49

Transfer Ribbon Mechanism

This chapter describes the mechanism that drives the thermal transfer

ribbon in the EasyCoder PX4i and PX6i printer. It covers the following

topics:

• Description

• Ribbon supply unit

• Ribbon rewind unit

• Ribbon sensor

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 - Setting Up the Printer

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