6
.5.3.(3) Blank Print (Figure 7.2
C
)
(3-1) Blank on the whole page
Confirmation Items
Confirmation Tasks
Action at NG
(3-1-1) Toner condition
Residual toner
Check whether the toner in the toner cartridge remains
enough.
Replace toner
cartridge with a new
one.
(3-1-2) Exposure condition
LED head
With the close cover, check whether LED head faces to
the drum in position.
Check whether the parts that may disturb the light
emitting from light-emitting surface of LED head exist.
Correct the LED
head setting.
Connection of LED head
Check whether the LED head is correctly connected.
Replace the LED
head with a new
one.
Drum shaft
Is drum shaft correctly contacted with left and right side
plate?
Replace the ID unit
with a new one.
When trying to use a
new ID unit, please
be careful not to
break the fuse with
jig inside the ID
unit. (Please refer to
page 176)
(3-1-3) High-voltage terminals
ID unit terminals
By visual inspection, check whether the high-voltage
terminals of ID unit are normally contacted with
contacting ASSY. (Please refer to Figure 7-3)
Replace the ID unit
or replace the high-
voltage board or
correct the high-
voltage terminals.
When trying to use a
new ID unit, please
be careful not to
break the fuse with
jig inside the ID
unit. (Please refer to
page 176)
Y108500-4
Service Manual
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