Table Of Contents - Lexmark T652 Service Manual

Table of contents

Product information......................................................................................2
Edition notice.................................................................................................2
Notices and safety information................................................................. 17
Laser notices........................................................................................................................................................17
Safety information............................................................................................................................................. 20
Preface......................................................................................................... 25
Service manual conventions.......................................................................................................................... 25
Change history...................................................................................................................................................25
General information................................................................................... 29
Media guidelines............................................................................................................................................... 29
Supported paper sizes, types, and weights ......................................................................................................... 29
Tools required for service................................................................................................................................33
Diagnostic information.............................................................................. 35
Troubleshooting overview.............................................................................................................................. 35
Performing the initial troubleshooting check....................................................................................................... 35
Power-on Reset (POR) sequence............................................................................................................................ 36
Using Safe Mode ......................................................................................................................................................... 36
Fixing print quality issues................................................................................................................................ 37
Initial print quality check............................................................................................................................................ 38
Faint print (low contrast) check................................................................................................................................ 38
Repeating defects check........................................................................................................................................... 40
Blank pages check...................................................................................................................................................... 40
Solid black pages check............................................................................................................................................ 42
Vertical lines and bands (process direction) check............................................................................................ 44
Horizontal white stripes and bands (side to side direction) check ................................................................ 45
Vertical stripes (process direction) check ............................................................................................................. 46
Horizontal stripes (side to side direction) check ..................................................................................................47
Partial lack check......................................................................................................................................................... 48
Spots check .................................................................................................................................................................. 49
Background (fog) check.............................................................................................................................................. 51
Skew check................................................................................................................................................................... 52
Media damage check................................................................................................................................................. 53
No fuse check .............................................................................................................................................................. 54
Paper jams...........................................................................................................................................................55
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