Specifications

4-43
(12) Rough Image
Section Step Check Item Result Action
1 Is the Image Transfer Roller dirty? YES Clean or change.
YES
Change HV1, I/C, PH Unit, or
PWB-A, in that order.
Printer
engine
2
Is the image transfer current
terminal intact?
NO
Check and change as
necessary.
1
Is the Scanner drive transmission
mechanism in good condition?
NO
Check and change as
necessary.
YES
Change PCB AFE, PCB
Scanner, PCB Main, PCB
Connect or PWB-A, in that
order.
Scanner
2
Do the connections from CCD
Þ
PCB AFE
Þ
PCB Scanner
Þ
PCB Main
Þ
PCB Connect
Þ
PWB-A remain intact?
NO Reconnect.
(13) Periodically Uneven Image
Section Step Check Item Result Action
1
Is the Developing Unit drive gear
cracked or dirty with foreign
matter?
YES Clean or change.
2
Is the PC Drum drive gear
cracked or dirty with foreign
matter?
YES Clean or change.
3
Is the Synchronizing Roller drive
gear cracked or dirty with foreign
matter?
YES Clean or change.
4
Is the Fusing Unit drive gear
cracked or dirty with foreign
matter?
YES Clean or change.
YES Change the I/C or PWB-A.
Printer
engine
5 Is the PH Assy secured properly?
NO Secure properly.
1
Is the FBS Motor drive gear
cracked or dirty with foreign
matter?
YES Clean or change.
2
Is the Scanner Motor secured
properly?
NO Secure properly.
3
Are the FBS belts attached
loose?
YES Adjust the belt tension.
4
Is the Mirror carriage A secured
properly?
NO Secure properly.
5
Are the Mirror carriage drive belts
wound properly?
NO Wind the belts properly.
6
Are the Scanner rails damaged or
dirty with foreign matter?
YES Clean or change.
YES
Change PCB AFE, PCB
Scanner, PCB Main, PCB
Connect or PWB-A, in that
order.
Scanner
7
Do the connections from CCD
Þ
PCB AFE
Þ
PCB Scanner
Þ
PCB Main
Þ
PCB Connect
Þ
PWB-A remain intact?
NO Reconnect.