Sharp MX-C507P - Page 90

5028
Dark print check
Diagnostics and troubleshooting
56
Action
Yes
No
Step 1
a From the home screen, touch Settings > Print > Quality > Toner
Darkness .
b Check the toner darkness setting value.
Is the darkness setting too high?
Go to step 2.
Go to step 3.
Step 2
Adjust the darkness setting to the proper value.
Does the problem remain?
Go to step 3.
The problem is
solved.
Action
Yes
No
Step 7
Remove the dust or debris.
Does the problem remain?
Go to step 8.
The problem is
solved.
Step 8
• If the affected color is cyan, magenta, or yellow, then replace
the developer unit of the affected color.
• If the affected color is black, then replace the imaging unit.
Does the problem remain?
Go to step 9.
The problem is
solved.
Step 9
Replace the printhead. See “Printhead removal” on page 397 .
Does the problem remain?
Go to step 10.
The problem is
solved.
Step 10
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.