Image Troubleshooting - Oki C9400 Maintenance Manual

5.5.3

Image troubleshooting

When the printout images are not satisfactory as shown below, follow the troubleshooting
procedures given in this section.
Light or blurred images, or images in inappropriate color tone (Figure 5.2- A )
Dark background (Figure 5.2- B )
No images on print output (Figure 5.2- C )
Band/stripes in black or color in the longitudinal direction (Figure 5.2- D )
Band/stripes in white or irregular color in the longitudinal direction (Figure 5.2- F )
Poor fusing (Images are blurred or peeled off when touched with a hand.)
Cyclical printout defects (Figure 5.2- E )
Missing characters
Color misalignment
Printout colors different from the original
A
Light or blurred
images as a whole
E
Cyclical defect
41388601TH Rev.6
Printout problem
B
Dark background
density
F White belts or
streaks in the
vertical direction
Figure 5.2
C
Blank paper
Oki Data CONFIDENTIAL
Flowchart No.
1
2
3
4
5
6
7
8
9
0
D Black stripes in the
vertical direction
90 /