Oki B431L6

6. Procedures for Repairing
Oki Data CONFIDENTIAL
44983601TH Rev.1
6-18 /
6.5.3 Print Troubleshooting
The troubleshooting procedure of abnormal printing is described as follows. The typical abnormal
printing is shown in the following Figure 6-2.
Figure 6-2
Pale printing or
the whole printing
is faded
The white section
is dirty
Vertical black belt/
Black line
Periodic failure Vertical white
belt/ White line
White paper
Trouble Flowchart number
Pale printing or the whole printing is faded. (Fig.6-2 )
The white section is dirty. (Fig.6-2 )
White paper is outputted (Fig. 6-2 )
Vertical black belt/ Black line (Fig. 6-2 )
Periodic failure (Fig. 6-2 )
A part of printing is extracted
Inefficient fusing (when touching the printed sheet, printed
characters or image is faded or come off.)
Vertical white belt/ White line (Fig. 6-2 )