Lexmark 13P0150 - C 750dtn Color Laser Printer Service Manual page 22

Symptom
Paper feed problems, base printer
Paper feed problems, integrated tray
Paper fails to pick from Tray 1
Paper feed problems, MPF
Printer prints black only, no colors
Print Quality:100% Single color printed
* All Black Print
* All Cyan Print
* All Magenta Print
* All Yellow Print
Print Quality: Blank Page (No Image)
Print Quality: Evenly spaced horizontal marks or
lines on the printed page
Print Quality: Black Line
Print Quality: Colored lines, steaks, or smudges
Print Quality: Light lines or streaks appear on the
printed page
Print Quality: Light Print
Print Quality: Missing Colors
Print Quality: Uneven printing
Print Quality: Poor Color Registration
Print Quality: Toner on the back of the page
Print Quality: Toner smears or rubs off the page
Fuser Problem - Fuser Cold
2-2
Service Manual
5060-XXX
Action
Go to the "Paper Path Service Check" on
page 2-97.
Go to the "Tray 1 Service Check" on page
Go to "Autocompensator Service Check" on
page 2-91.
Go to the "Multipurpose Feeder (MPF) Service
Check" on page 2-94.
Check to make sure that the printer is not set up to
print black only. If the printer is set up correctly,
check the Black Retract Motor and gears for correct
operation. If the gears are operating correctly,
replace the Retract Motor Assembly. If this does not
correct the problem, replace the
on page 4-13.
Go to "Print Quality Service Checks" on
page 2-66.
Go to "Blank Page (No Image)" on page
Go to "Evenly spaced horizontal marks or lines
on the page" on page
Black horizontal lines are most likely caused by a
shorted charge roll in the print cartridge. Replace
the black print cartridge.
Go to "Colored lines, streaks, or smudges" on
page 2-70.
Go to "Light lines or streaks appear on the
page" on page 2-77.
Go to "Light print over the entire page" on
page 2-69.
Go to "Missing Colors" on page
Go to "Uneven printing" on page
Go to "Poor Color Registration" on page
Go to "Toner is on the back of the printed page"
on page 2-76.
Go to "Toner smears or rubs off the page with
no error code displayed" on page
Go to the "Cold Fuser Service Check" on
page 2-80.
2-90.
"Engine Board"
2-67.
2-70.
2-68.
2-75.
2-72.
2-76.