Symptom Table-500-Sheet Drawer Option - Lexmark C78x Service Manual

5061
Symptom
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: Magenta, cyan, or yellow lines.
Print quality: Colored lines, streaks, or smudges
Print quality: Light lines or streaks appear on the
printed page
Print quality: Light print
Print quality: Faded or light print and/or 34 Incorrect
Media error.
Print quality: Missing colors
Print quality: Uneven printing
Print quality: Poor color alignment
Print quality: Toner on the back of the page
Print quality: Toner smears or rubs off the page
Print quality: Multiple horizontal lines
Symptom table—500-sheet drawer option
Symptom
Printer fails to recognize the option is installed
2-4
Service Manual
Action
Make sure that the printer is not set up to print black
only. If the printer is set up correctly, check the Black
Retract (BOR) Motor and gears for correct operation.
If the gears are operating correctly, replace the
Retract Motor Assembly. See
removal" on page 4-34. If this does not correct the
problem, go to "Black only retract (BOR) service
check" on page 2-80.
Go to "Entire page is mostly one color—Full bleed
planes in one color" on page
Go to "Blank page (no image)" on page
Go to "Vertical lines or streaks" on page
Black horizontal lines are most likely caused by a
shorted charge roll in the print cartridge. Replace the
black print cartridge.
"Vertical lines or streaks" on page 2-100
"Horizontal lines or streaks" on page
Go to "Vertical lines or streaks" on page 2-100
"Horizontal lines or streaks" on page
Go to "Light lines or streaks appear on the page"
on page 2-105.
Go to "Light print over the entire page" on
page 2-98.
Check the Paper Type setting. If Transparency is set
when the print media should be paper or card stock,
image development may stop. Do the following:
1. Turn the printer off and leave it off for 30 seconds.
2. Turn the printer on.
3. On the operator panel, press Menu (
4. Select Paper Menu, and press Select (
5. Select Paper Type, and press Select (
6. Select the tray you need to change, select the
proper setting, and press Select (
To verify that the problem is solved, print a test page.
Go to "Missing colors—Complete or partially
missing color planes" on page
Go to "Uneven printing" on page
Go to "Poor color alignment" on page
Go to "Toner is on the back of the printed page" on
page 2-105.
Go to "Toner smears or rubs off the page with no
error code displayed" on page
Go to "Vertical lines or streaks" on page 2-100
Action
Go to "The base printer does not recognize that
tray x is installed." on page
"BOR drive assembly
2-96.
2-95.
2-100.
or
2-100.
or
2-100.
).
).
).
).
2-97.
2-103.
2-101.
2-104.
2-73.