Vertical Lines Are Produced In Printed; Fine Lines (Colored) (See Fig. 7-2 D); Print Quality Problems Appear Periodically (See Fig. 7-2 E); Print Quality Problems Appear Vertically And Periodically - Oki C310dn Maintenance Manual

Oki Data CONFIDENTIAL
7.5.3 (4) Vertical lines are produced in printed pages.

(4-1) Fine lines (colored) (see Fig. 7-2 D)

Check item
(4-1-1) ID unit state
ID unit filming Were pages printed with toner empty?
(4-2) Fine lines (white) (see Fig. 7-2 F)
Check item
(4-2-1) LED head state
LED head Do foreign matters adhere to the Selfoc lens'
light-emitting face of any LED head?
(4-2-2) Paper feed state
Paper feed path Check if the paper feed path reaching the
fusing area have burrs that scrape unfixed
toner.
44346001TH Rev.1
Check operation Actions for NG
results
Replace any
applicable toner
cartridge with
a new one. If it
doesn't solve
the problem,
replace the
relevant ID
unit. When
using a new ID
unit as a try,
select FUSE
KEEP MODE
of the system
maintenance
menu.
Check operation Actions for NG
results
Remove the
foreign matters.
Remove the
burrs.

7.5.3 (5) Print quality problems appear periodically (see Fig. 7-2 E).

(5-1) Print quality problems appear vertically and periodically.

Check item
(5-1-1) Cycle
Image drum Check if the cycle is 94.3 mm.
Developing roller Check if the cycle is 30.2 mm.
Toner supply roller Check if the cycle is 43.1 mm.
Charging roller Check if the cycle is 29.9 mm.
Roller above the Check if the cycle is 85.4 mm.
fuser
Fuser belt Check if the cycle is 94.2 mm.
Transfer roller Check if the cycle is 37.7 mm.
7. TROUBLESHOOTING
Check operation Actions for NG
results
Replace any
applicable ID
unit.
Replace any
applicable ID
unit.
Replace any
applicable ID
unit.
Replace any
applicable ID
unit..
Replace any
applicable fuser
unit.
Replace any
applicable fuser
unit.
Replace the belt
unit.
When using any
new consumable
as a try, select
FUSE KEEP
MODE of
the system
maintenance
menu.
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