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

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Diagnostic Information
2-67
5060-XXX
Horizontal Line
Go to step 1 if there is a horizontal black line only.
Go to step 2 if there is a Cyan, Magenta or Yellow horizontal line.
Blank Page (No Image)
If there is no image (blank page) and no error codes displayed, go to step 1.
If there is no image (blank page) but error codes are displayed, go to the error code
symptom chart and perform the necessary action.
Step Action and Questions Yes No
1
Black Print Cartridge
Note: The most likely cause of this failure is a failing black
print cartridge where the PC drum is shorting to the charge
roll inside the print cartridge. Try a new black print cartridge.
Does this fix the problem? Replace the
Cartridge Call your next
level support
2
Cyan Print Cartridge Check - Enter the CE Diagnostic
Mode. Remove the Cyan Print Cartridge and run the print
test.
Does the problem still exist for the remaining cartridges? Go to Step 3 Replace the
failing
cartridge
3
Magenta Print Cartridge Check - Enter the CE Diagnostic
Mode. Remove the Magenta Print Cartridge and run the
print test.
Does the problem still exist for the remaining cartridges? Replace the
Yellow Print
Cartridge Replace the
Magenta Print
Cartridge
Step Action and Questions Yes No
1
Second Transfer Roll - Check to make sure the Second
Transfer Roll is installed and correctly installed.
Is the Second Transfer Roll installed and correctly installed? If a Second
Transfer Roll is
not installed,
install a new
one. Go to Step 2
2
Second Transfer Roll Release Lever - Check to make sure
the Second Transfer Roll Release Lever is not stuck in the
down position. Check for broken or damaged parts.
Is the Second Transfer Roll Release Lever operating
correctly? Go to step 3 Repair as
necessary
3
Check continuity of the Second Transfer Roll to the Transfer
HVPS cable.
Is there continuity? Replace the
“HVPS
Transfer
Board” on
page 4-12
Replace the
cable