Chapter 3 Image Quality Troubleshooting
3.2 Image Quality Troubleshooting
3-22
IQ-9 Ghosting
Possible causative parts
- Transfer Unit [ROLL ASSY-TRANS CRU] (PL6.1.1)
- Drum Cartridge [XERO ASSY] (PL8.1.1)
Step Check and Action Yes No
1
Checking the error mode.
Does the error occur only during copying?
Go to step 2. Go to step 3.
2
Checking the original.
Is the original color clean?
Go to step 3.
End, change the
original.
3
Checking the paper.
Does the paper satisfy the specification?
Go to step 4.
Change the
paper to the one
that satisfies the
specification.
Then go to step
4.
4
Checking the Afterimage (Ghost).
Checked by [CE-Mode] - [Printer Diag] - [Test Print] - [Ghost
Char] in diagnosis.
Is the type of the problem identified?
Proceed to the
step correspond-
ing to the
type of ghosting.
Positive ghost -
Go to step 5
Negative ghost -
Go to step 6
End of work.
5
Checking after replacing the Drum Cartridge.
Replace the Drum Cartridge.
Is the image printed correctly?
End of work. Go to step 7.
6
Check the "Ghost Control".
Set the [Ghost Control] in [Maintenance] of [Admin Menu] to
"ON".
Is the image printed correctly?
End of work. Go to step 7.
7
Adjust the voltage value of the Transfer Unit.
To adjust the voltage value of the Transfer Unit, use [Adjust
Transfer Unit] on the [Maintenance] of [Admin Menu].
Is the image printed correctly?
End of work. Go to step 8.
8
Checking after resetting the Drum Cartridge.
Reseat the Drum Cartridge.
Is the image printed correctly?
End of work. Go to step 9.