Actions Yes No
Step 4
Remove the fuser and check for damage or debris on the rollers and belts.
Is it free of damage and debris?
Go to step 5. Replace the fuser.
Step 5
Reseat the cables JLSU1 and J6 on the controller board.
Does the problem remain?
Replace the LSU. The problem is solved.
Toner rubs off
Leading edge
Trailing edge
ABC
DEF
Actions Yes No
Step 1
Check if the fuser screws are tightly fastened.
Are they tightly fastened?
Go to step 2. Tighten the screws.
Step 2
a Turn off the printer.
b Remove the rear door and cover.
c Disconnect the fuser cable connected to PCN5 of the power supply.
d Check for approximate correct resistance on the fuser cable:
• 220V fuser—43 ohms
• 110V fuser—10 ohms
• 100V fuser—8 ohms
Is the resistance equal to any of the above values?
Go to step 3. Replace the fuser. See
“Fuser removal” on
page 305.
Step 3
Check the following fuser components for wear or damage:
• Gears
• Exit rollers
• Belt fuser
Are they free of damage?
Replace the power
supply. See “Power
supply removal” on
page 272.
Replace the fuser. See
“Fuser removal” on
page 305.
7015
Diagnostic information
44
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