Oki C911 Maintenance Manual

45530603TH Rev.2
4-85
Oki Data CONFIDENTIAL
4. TROUBLESHOOTING PROCEDURE
4.5.3.(7) Solid black printing.
(7-1) Solid black printing over the whole page
Check item Check work
Actions to be taken
at NG
(7-1-1) High voltage contacting condition
CH terminal Check that the terminal coming from the
printer body contacts with the high voltage
terminal that is located on the left side of the
ID unit by visual inspection.
Replace the
terminal of
printer side.
C H terminal Check that the high voltage terminal keeps
the normal contacting condition on the
high voltage board. Open the rear cover
and remove the high voltage board. Then,
check that the terminal is not installed in the
abnormal installation condition.
Correct the
installation
condition of
the terminal
to the normal
condition.
ID unit terminal Check that the high voltage terminal of the ID
unit is contacting with the Contact Assembly
normally by visual inspection.
Replace the ID
unit or replace
the high voltage
board or correct
the high voltage
terminal.
4.5.3.(8) Banding/streaking in vertical direction.
(8-1) Banding/streaking in vertical direction (Refer to Figure 4-2 G)
Check item Check work
Actions to be taken
at NG
(8-1-1) Banding/streaking in vertical direction
Banding/streaking
in vertical direction
(8-2) Causing of Slipping and Wearing on the printing image(Refer to Figure 4-2 H)
Check item Check work
Actions to be taken
at NG
(8-2-1) Banding/streaking in vertical direction
Causing of Slipping
and Wearing on the
printing image
The paper transporting speed by the fuser unit is adjusted automatically under the condition
that the following table and the printing page number is equal or over than 5.
And, In the case of printing with equal or over than 5 pages for this adjustment, more
appropriate this adjustment is implemented by to use these papers that be printed usually by
the customer in the customer's printing environment and condition.
Ta bl e : Th e co nd it io n o f th e a ut om at ic al ly pe rfo r mi ng fo r t he t ra ns po r t in g sp ee d a dj us tm en t
Category of
Setting
Condition
Paper Size The case of Legal14(355.6mm) paper printing page number is equal or over
than 5.
Examples of the paper size which execute the transporting speed adjustment
:B4,A3,A3 wide,A3 nobi,Legal14,Tabloid,Tabloid extra,8K,"13x8" etc
*The transporting speed adjustment is not execute when printing paper length
is 355.6mm or less.
Media Type Plain-Paper,Letter Head,BOUND,Recycled Paper,Cardboard,Rough
Media Weight Light,Medium Light,Medium,Medium Heavy,Heavy
(Basis weight:64
〜
128g/m
²
)
*The transporting speed adjustment is not execute when Media Weight is
setting Ultra Light or Ultra Heavy1
〜
5.
Figure 4-3

Oki C911 Specifications

General

Brand	Oki
Model	C911
Category	Printer
Language	English