Print Quality Checks; Gray Background Or Toner Fog On Prints - Lexmark MS510 Service Manual

Print quality checks

•
"Gray background or toner fog on prints" on page 33
• "Printer is printing blank pages" on page 34
•
"Printer is printing solid black pages" on page 35
•
"Repeating defects" on page 35
• "Shadow images appear on prints" on page 36
•
"Skewed print" on page 37
•
"Streaked horizontal or vertical lines appear on prints" on page 38
•
"Toner rubs off" on page 39
•
"Toner specks appear on prints" on page 40

Gray background or toner fog on prints

Leading edge
ABCDE
ABCDE
ABCDE
Trailing edge
Actions
Step 1
Check the cartridge plunger.
Is the cartridge plunger properly attached to the front door and is the
spring functioning properly?
Step 2
Remove any contamination from the CTLS contacts. Perform a print test.
Does the problem remain?
Step 3
Check the CTLS for damage.
Is it free of damage?
Step 4
Check the transfer roll for surface contamination or excessive wear.
Is it free of contamination and wear?
Step 5
Check the transfer roll left contact spring for damage.
Is it free of damage?
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 5.
Replace the power
supply. See
supply removal" on
page
Diagnostic information
33
4514-630, -635, -636, -638, -639, -649
No
Replace the cartridge
plunger. See
plunger removal" on
page 196.
The problem is solved.
Replace the printer.
Replace the transfer
roll. See
removal" on page
195.
Replace the printer.
"Power
225.
"Cartridge
"Transfer roll