TITLE
PM42 Service Repair Manual
Table of Contents
Disclaimer ..................................................................................................................................................................................... 2
Trademarks ................................................................................................................................................................................... 2
Compliance and Safety .................................................................................................................................................... 5
General Precautions ..................................................................................................................................................................... 6
Safety Training .......................................................................................................................................................................... 6
Quality Training ........................................................................................................................................................................ 6
Product ESD Information ......................................................................................................................................................... 6
Cautions & Notes ............................................................................................................................................................. 8
Cover - Media Door Assembly ......................................................................................................................................... 9
Cover - Electronic Cover ................................................................................................................................................ 10
Front Panel Assembly .................................................................................................................................................... 11
Platen Roller .................................................................................................................................................................. 13
Printhead ....................................................................................................................................................................... 14
Print Unit Components .................................................................................................................................................. 15
Printhead Lift Sensor Assembly ..................................................................................................................................... 20
Printhead Lift Assembly ................................................................................................................................................. 21
Media Guide Top Dancer Assembly .............................................................................................................................. 22
Media Sensor Bottom Assembly ................................................................................................................................... 24
Front Media Access Door .............................................................................................................................................. 26
Ribbon Adjust Sub Assembly ......................................................................................................................................... 27
Ribbon Wrinkle Adjustment .......................................................................................................................................... 28
Tear Bar ......................................................................................................................................................................... 29
Media Hanger and Edge Guides .................................................................................................................................... 30
Ribbon Supply Assembly ............................................................................................................................................... 31
Media Hanger and Edge Guides .................................................................................................................................... 33
Base Assembly ............................................................................................................................................................... 34
Spine .............................................................................................................................................................................. 35
Back Plate ...................................................................................................................................................................... 36
Main Logic Board Assembly........................................................................................................................................... 38
Model
DOCUMENT NO.
L3-GLBL-RPR-3872
PM42
(Rev A)
PAGE
Page 3 of 48
L3-GLBL-RPR-3872 (Rev A)