Lexmark MB2650 - Table of Contents

Table of contents
Product information......................................................................................2
Edition notice.................................................................................................2
Notices, conventions, and safety information......................................... 11
Laser notice...........................................................................................................................................................11
Conventions.........................................................................................................................................................12
Safety information.............................................................................................................................................. 13
Change history.............................................................................................17
Change history.................................................................................................................................................... 17
General information....................................................................................21
Printer model configurations...........................................................................................................................21
Finding the serial number................................................................................................................................ 21
Supported paper sizes, types, and weights................................................................................................21
Supported paper sizes...............................................................................................................................................22
Supported paper types.............................................................................................................................................. 24
Supported paper weights ......................................................................................................................................... 25
Tools required for service............................................................................................................................... 26
Diagnostics and troubleshooting............................................................. 27
Troubleshooting precautions..........................................................................................................................27
Troubleshooting overview.............................................................................................................................. 29
Performing the initial troubleshooting check....................................................................................................... 29
Power‑on Reset (POR) sequence............................................................................................................................29
Using Safe Mode ......................................................................................................................................................... 30
Fixing print quality issues................................................................................................................................30
Initial print quality check............................................................................................................................................. 31
Gray background or toner fog check..................................................................................................................... 32
Blank pages check...................................................................................................................................................... 34
Print is too dark check................................................................................................................................................ 40
Print is too light check................................................................................................................................................ 42
Paper curl check.......................................................................................................................................................... 45
Folded or wrinkled paper check ............................................................................................................................. 46
Solid black pages check.............................................................................................................................................47
Repeating defects check...........................................................................................................................................50
Skewed print check ..................................................................................................................................................... 51
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Table of contents
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