Lexmark E360D series, Service Manual

Page: 43 / 166

Diagnostics information
2-17
4513-420, -430
Printer symptom table
Symptom Action
Fan noisy or fan not working. See
“Cooling fan service check” on page 2-19
.
Fuser parts melted. See “LVPS/HVPS service check” on page 2-21 .
Toner not fused to the media. See
“Fuser service check” on page 2-21
or
“Solving print
quality problems” on page 2-30 .
Paper jams. See
“Paper feed service checks” on page 2-23
.
Main motor noisy or not moving. See “Main motor service check” on page 2-22 .
Media skew. See
“Paper feed service checks” on page 2-23
.
Printer not communicating with host. See “Parallel or USB port service check” on page 2-25 .
Front access door will not close. See
“Cover interlock switch service check” on page 2-19
.
Operator panel button not responding. See “Operator panel service check” on page 2-23 .
Operator panel lights are off or very dim. See
“Operator panel service check” on page 2-23
.
Blank page. See “Blank page” on page 2-26 .
Black page. See
“Black page” on page 2-27
.
Heavy background. See “Heavy background” on page 2-27 .
Light print. See
“Light print” on page 2-29
.
White or black lines or bands. See “White or black lines or bands” on page 2-29 .
Toner on back of page. See
“Toner on back of page” on page 2-29
.
Media never picks. See “Media never picks” on page 2-24 .
Media feeds continuously. See
“Media occasionally mispicks or picks multiple sheets
at once” on page 2-24 .
Media wrinkled or bent. See
“Media “trees,” wrinkles, stacks poorly, or curls” on
page 2-25 .
Dead machine (no power). See
“Dead machine service check” on page 2-20
.
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 2-30 .