Lexmark X46 Series, Service Manual

Page: 41 / 310

Diagnostics information
2-3
7014-xxx
Printer symptom table
Symptom Action
Touchscreen displays upside down
Fan noisy or fan not working. See “Cooling fan service check” on page 2-37 .
Fuser parts melted. See “LVPS/HVPS service check” on page 2-39 .
Toner not fused to the media. See “Fuser service check” on page 2-39 or “Solving print
quality problems” on page 2-51 .
Paper jams. See “Paper feed service checks” on page 2-43 .
Main motor noisy or not moving. See “Main motor service check” on page 2-40 .
Media skew. See “Paper feed service checks” on page 2-43 .
Printer not communicating with host. See “USB port service check” on page 2-46 .
Front access door will not close. See “Cover interlock switch service check” on page 2-37 .
Operator panel button not responding. See “Operator panel service check” on page 2-43 .
Operator panel lights are off or very dim. See “Operator panel service check” on page 2-43 .
Blank page. See “Blank page” on page 2-47 .
Black page. See “Black page” on page 2-48 .
Heavy background. See “Heavy background” on page 2-48 .
Light print. See “Light print” on page 2-50 .
White or black lines or bands. See “White or black lines or bands” on page 2-50 .
Toner on back of page. See “Toner on back of page” on page 2-50 .
Media never picks. See “Media never picks” on page 2-44 .
Media feeds continuously. See “Media occasionally mispicks or picks multiple sheets
at once” on page 2-44 .
Media wrinkled or bent. See “Media “trees,” wrinkles, stacks poorly, or curls” on
page 2-45 .
Dead machine (no power). See “Dead machine service check” on page 2-38 .
Print quality problems
• Light print
• Blurred characters
• Toner on both sides of media
• Toner not fused
• Streaks
• Blank pages
See “Solving print quality problems” on page 2-51 .