Lexmark E350d Service Manual - Page 38

Printer symptom table - paper jam problem

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4512-420, -430 Printer symptom table Symptom Fan noisy or fan not working. Fuser parts melted. Toner not fused to the media. Paper jams. Main motor noisy or not moving. Media skew. Printer not communicating with host. Front access cover will not close. Operator panel button not responding. Operator panel lights are off or very dim. Blank page. Black page. Heavy background. Light print. White or black lines or bands. Toner on back of page. Media never picks. Media feeds continuously. Media wrinkled or bent. Dead machine (no power). Print quality problems • Light print • Blurred characters • Toner on both sides of media • Toner not fused • Streaks • Blank pages Action See "Cooling fan service check" on page 2-18. See "LVPS/HVPS service check" on page 2-20. See"Fuser service check" on page 2-19 or "Solving print quality problems" on page 3-28. See "Paper feed service checks" on page 2-21. See "Main motor service check" on page 2-20. See "Paper feed service checks" on page 2-21. See "Parallel or USB port service check" on page 2-23. See "Cover interlock switch service check" on page 2-18. See "Operator panel service check" on page 2-21. See "Operator panel service check" on page 2-21. See "Blank page" on page 2-24. See "Black page" on page 2-25. See "Heavy background" on page 2-25. See "Light print" on page 2-27. See "White or black lines or bands" on page 2-27. See "Toner on back of page" on page 2-27. See "Media never picks" on page 2-22. See "Media picks during POST and/or continuously" on page 2-21. See "Media "trees," wrinkles, stacks poorly, or curls" on page 2-23. See "Dead machine service check" on page 2-19. See "Solving print quality problems" on page 3-28. 2-16 Lexmark™ E350d, E352dn

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2-16
Lexmark™ E350d, E352dn
4512-420, -430
Printer symptom table
Symptom
Action
Fan noisy or fan not working.
See
“Cooling fan service check” on page 2-18
.
Fuser parts melted.
See
“LVPS/HVPS service check” on page 2-20
.
Toner not fused to the media.
See
“Fuser service check” on page 2-19
or
“Solving print
quality problems” on page 3-28
.
Paper jams.
See
“Paper feed service checks” on page 2-21
.
Main motor noisy or not moving.
See
“Main motor service check” on page 2-20
.
Media skew.
See
“Paper feed service checks” on page 2-21
.
Printer not communicating with host.
See
“Parallel or USB port service check” on page 2-23
.
Front access cover will not close.
See
“Cover interlock switch service check” on page 2-18
.
Operator panel button not responding.
See
“Operator panel service check” on page 2-21
.
Operator panel lights are off or very dim.
See
“Operator panel service check” on page 2-21
.
Blank page.
See
“Blank page” on page 2-24
.
Black page.
See
“Black page” on page 2-25
.
Heavy background.
See
“Heavy background” on page 2-25
.
Light print.
See
“Light print” on page 2-27
.
White or black lines or bands.
See
“White or black lines or bands” on page 2-27
.
Toner on back of page.
See
“Toner on back of page” on page 2-27
.
Media never picks.
See
“Media never picks” on page 2-22
.
Media feeds continuously.
See
“Media picks during POST and/or continuously” on
page 2-21
.
Media wrinkled or bent.
See
“Media “trees,” wrinkles, stacks poorly, or curls” on
page 2-23
.
Dead machine (no power).
See
“Dead machine service check” on page 2-19
.
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 3-28
.