Actions Yes No
Step 6
Reseat the cables JGLV1 and JVIDEO1 or JUICC1 on the controller board.
Does the problem remain?
Replace the power
supply. See “Power
supply removal” on
page 223.
The problem is solved.
Printer is printing solid black pages
Actions Yes No
Step 1
Check the imaging unit for damage.
Is it free of damage?
Go to step 2. Replace the imaging
unit.
Step 2
Remove any contamination from the imaging unit contacts.
Does the problem remain?
Go to step 3. The problem is solved.
Step 3
Check the imaging unit contacts for damage.
Are they free of damage?
Replace the power
supply. See “Power
supply removal” on
page 223.
Replace the printer.
Repeating defects
4514-630, -635, -636
Diagnostic information
47