Color Is Totally Pale (Figure 7.2 A ); Color Is Pale - Oki C3400n Maintenance Manual

7.5.3.(1)

Color is totally pale (Figure 7.2 A )

(1-1)

Color is pale

Confirmation Items
(1-1-1) Toner
Residual toner
Tape of toner cartridge
opening
(1-1-2) LED head
Lens of LED head
Mounting condition of LED
head
(1-1-3) Printing media
Medium type
(1-1-4) High voltage terminal
ID unit terminal
(1-1-5) Mounting condition of ID unit
Down position of ID unit
(defective copy function)
43163501TH Rev. 1
Confirmation Tasks
Confirm that "TONER LOW" or "TONER EMPTY" is not shown
in the operation panel.
Check whether tape of toner cartridge opening is peeled off.
Check whether the surface of lens of LED head gets dirty from
toner and paper scrap.
Check whether the LED head is correctly installed to the LED
holder.
Check whether right and left tension spring is correctly installed.
Check whether the printed media is especially thick.
By visual inspection, check whether the high-voltage terminals
of ID unit are normally contacted with contacting ASSY. (Please
refer to Figure 7-3)
Try to move the ID unit in and out by hand, check whether ID
unit can go down to correct down position without abnormal
load.
If paper can be easily inserted between the drum and the belt, it
means NG.
Oki Data CONFIDENTIAL
Action at NG
Replace the toner
cartridge with a new
one.
Keep the lever of the
toner cartridge in close
state and peel off the
tape of the opening.
Clean the lens by LED
head lens cleaner.
Remount normally.
Please use specified
paper.
Replace the ID unit 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 132)
Check the U ditch of
the side plate. If it is
impossible to be
repaired, please
replace the equipment.
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