Minolta Di350 - Black Streaks or Bands; Black Spots

FrameMaker Ver.5.5E(PC) Di350 TROUBLESHOOTING
98.12.09
T-49
(5) Black Streaks or Bands
Section Step Check Item Result Action
Engine 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 neces-
sary.
4 Is the grid voltage terminal in
good condition?
NO Check and change as neces-
sary.
5 Are the Fusing Rollers dirty with
foreign matter?
YES Clean or change the Fusing
Rollers.
NO Change I/C.
IR 1 Are the mirrors, lens, and Origi-
nal Glass dirty with foreign mat-
ter?
YES Clean the mirrors, lens, and
Original Glass.
2 Do the connections from CCD to
HGB remain intact?
NO Reconnect.
3 Do the connections from HGB to
UN2 remain intact?
YES Change CCD, HGB, or UN2, in
that order.
NO Reconnect.
(6) Black Spots
Section Step Check Item Result Action
Engine 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 neces-
sary.
4 Is the grid voltage terminal in
good condition?
NO Check and change as neces-
sary.
5 Are the Fusing Rollers dirty with
foreign matter?
YES Clean or change the Fusing
Rollers.
NO Change I/C.
IR 1 Are the mirrors, lens, and Origi-
nal Glass dirty with foreign mat-
ter?
YES Clean the mirrors, lens, and
Original Glass.
2 Do the connections from CCD to
HGB remain intact?
NO Reconnect.
3 Do the connections from HGB to
UN2 remain intact?
YES Change CCD, HGB, or UN2, in
that order.
NO Reconnect.