Sharp MX-C507P - Page 95

5028
Uneven print density check
Diagnostics and troubleshooting
61
Action
Yes
No
Step 1
a From the home screen, touch Settings > Device > Preferences .
b Check if the paper type and size settings match the paper type
and size set on the tray.
Do the settings match?
Go to step 3.
Go to step 2.
Step 2
Change the paper size and type, or adjust the size settings in the
tray.
Does the problem remain?
Go to step 3.
The problem is
solved.
Action
Yes
No
Step 17
While manually turning the motors, check if the couplers that drive
the imaging kit move.
Do the couplers move?
Go to step 19.
Go to step 18.
Step 18
Replace the EP gear box. See “EP gear box removal” on
page 339 .
Does the problem remain?
Go to step 19.
The problem is
solved.
Step 19
Check the continuity of the cable on the JSC1 connector on the
controller board.
Is there continuity?
Go to step 21.
Go to step 20.
Step 20
Replace the cable.
Does the problem remain?
Go to step 21.
The problem is
solved.
Step 21
Replace the printhead. See “Printhead removal” on page 397 .
Does the problem remain?
Go to step 22.
The problem is
solved.
Step 22
Replace the controller board. See “Controller board removal” on
page 393 .
Does the problem remain?
Contact the next
level of support.
The problem is
solved.