Intermec EasyCoder 4420 - Page 57

Intermec EasyCoder 4420

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Maintaining the Printer

3-13

3

Cleaning the Label Sensors

44XXU040.eps

Label gap

sensor

Label mark

sensor

Drive

roller

Cotton

swab

Cleaning

brush

Upper media

guide

(underside)

Lower

media guide

Table of Contents

Default Chapter5
- Table of Contents5
Before You Begin9
- Warranty Information9
- Safety Summary9
- Warnings, Cautions, and Notes10
Easycoder 4420/4440 Bar Code Label Printer User's10
- About this Manual11
- Other Intermec Manuals12
Getting Started13
Learning about the Printer15
Understanding the Front Panel17
- Using the Front Panel Leds17
- Using the Front Panel Leds for Troubleshooting18
- Using the Feed/Pause Button18
Preparing the Printer for Installation19
- Connecting the Printer to a Power Source19
- Opening the Printer21
- Loading Media into the Printer22
  - Loading Roll Media22
  - Loading Fanfold Media24
- Loading Thermal Transfer Ribbon25
- Printing the Hardware Configuration Test Label28
Setting the Media Sensitivity Number29
- Setting the MSN for Intermec Media and Ribbon30
- Setting the MSN for Other Media and Ribbon32
Installing the Printer35
Connecting the Printer to Your System37
- Connecting the Printer to a PC38
  - Connecting the Printer to a PC Serial Port38
  - Connecting the Printer to a PC Parallel Port38
- Connecting the Printer to a Network39
- Connecting the Printer to an AS/40039
- Connecting the Printer to a Mainframe40
- Cabling in Noisy Electrical Environments40
Configuring the Serial Port for Communications41
Communicating with the Printer43
- Using the Printset Software43
- Using Third-Party Software43
- Using Intermec Printer Language (IPL) Commands43
Using Printset to Test Communications44
Maintaining the Printer45
Inspecting the Printer47
Maintenance Schedule47
Tools for Cleaning the Printer48
- Cleaning the Printhead49
- Cleaning the Printer Covers52
- Cleaning the Rollers and the Tear Bar52
- Cleaning the Media Guides and Media Path54
- Cleaning the Label Sensors56
Troubleshooting the Printer59
Troubleshooting Checklist61
Printer Operation Problems61
Print Quality Problems63
Communication Problems65
Preventing Data Loss66
Optimizing Printer Performance67
Optimizing and Maintaining Print Quality69
- Correcting Uneven Print Quality69
- Adjusting the Print Darkness71
- Fine-Tuning the Top of Form Position73
- Adjusting the Label Gap Sensor76
- Adjusting the Label Mark Sensor77
- Using the Printer Memory Efficiently79
  - How Is the Printer Storage Memory Used79
  - Making the most of the Memory79
- Increasing Throughput80
Using Test and Service Mode83
Using Test and Service Mode Procedures85
Printing Test Labels87
- Using Data Line Print Mode87
- Performing Selective Transfer88
- Using Memory Reset89
Setting Configuration Commands in Test and Service Mode90
- Setting the Number of Dot Increments91
- Adjusting the Label Rest Point92
- Setting Emulation Mode94
- Using Forms Adjust95
  - Forms Adjust96
  - Y Forms Adjust97
Specifications99
4420 And 4440 Printer Specifications101
- Media Specifications102
Factory Default Settings104
Printer Options105
- Communications Interfaces105
- Finishers105
- Kanji/Katakana106
- Memory Expansion106
Bar Code Symbologies Supported106
- 2D Symbologies107
Character Sets109
International Character Sets111
- Advanced Character Table111
- Emulation Mode Character Table112
- IBM Translation Character Table112
- Code Page 850 Character Table113
Extended Character Sets114
Communications Reference119
Communications Protocols121
- Intermec Standard Protocol121
- XON/XOFF Protocol (Software and Hardware Flow Control122
- Polling Mode D123
- Multi-Drop Protocol123
- Hardware Protocol124
- User-Defined Protocol124
- Host Requirements126
- Communications Boundaries126
Communications Interfaces127
- RS-232 Serial Interface127
- RS-422 Serial Interface127
- RS-485 Serial Interface127
Printer Serial Port129
Glossary133

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Getting Started Guide32 pages

User Guide2 pages

Supplementary Guide6 pages

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