Specifications

4-40
Section Step Check Item Result Action
5
Do the connections from PCB
Scanner to PCB Main remain
intact?
NO Reconnect.
6
Do the connections from PCB
Main to PCB Connect remain
intact?
NO Reconnect.
YES
Change INVERTER, PCB
Scanner, PCB Main, PCB
Connect or PWB-A, in that
order.
Scanner
7
Do the connections from PCB
Connect to PWB-A Connect
remain intact?
NO Reconnect.
(5) Black Streaks or Bands
Section Step Check Item Result Action
1 Is the PC Drum dirty? YES Clean the PC Drum.
2
Has toner spilled from the I/C
inside of the copier?
YES
Clean the interior and change
I/C.
3
Is the PC Drum charge voltage
terminal in good condition?
NO
Check and change as
necessary.
4
Is the grid voltage terminal in
good condition?
NO
Check and change as
necessary.
YES
Clean or change the Fusing
Rollers.
Printer
engine
5
Are the Fusing Rollers dirty with
foreign matter?
NO Change I/C.
1
Are the mirrors, lens, Contact
glass or FBS glass dirty with
foreign matter?
YES Clean.
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.
(6) Black Spots
Section Step Check Item Result Action
1 Is the PC Drum dirty? YES Clean the PC Drum.
2
Has toner spilled from the I/C
inside of the machine?
YES
Clean the interior and change
I/C.
3
Is the PC Drum charge voltage
terminal in good condition?
NO
Check and change as
necessary.
4
Is the grid voltage terminal in
good condition?
NO
Check and change as
necessary.
YES
Clean or change the Fusing
Rollers.
Printer
engine
5
Are the Fusing Rollers dirty with
foreign matter?
NO Change I/C.
1
Are the mirrors, lens, Contact
glass or FBS glass dirty with
foreign matter?
YES Clean.
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.