Ricoh Pro 8320 - Periodic Density Fluctuation

2.Image Quality Problems
675
If the area within 90 mm (3.5 inches) of the trailing edge is denser
1. In Advanced Settings for the custom paper in use, check the present value in Transfer Timing
Roller Feed Speed Adj. Is it lower than -1.0%?
Yes
Consult the product specialist.
No
Go to the next step.
2. Decrease the value in Transfer Timing Roller Feed Speed Adj by 0.1 percentage point.
3. Print the image. Is the problem resolved?
Yes
Finished.
No
Repeat Steps 2 and 3. If the problem persists even though you have decreased the value
to -1.0%, consult the product specialist.
Periodic Density Fluctuation
The vertical density fluctuates periodically.
Solution:
Before you perform this procedure, check that you are using the machine under the correct
environmental conditions.
The solution depends on the fluctuation cycle.
 To adjust the following settings, register beforehand the type of paper that you are using as a
custom paper.
Interval
Solution
Approximately 12-18
mm (0.5-0.7 inches)
Consult the product specialist.
Approximately 60 mm
(2.4 inches)
 In Advanced Settings for the custom paper in use, adjust the value in
Transfer Timing Roller Feed Speed Adj according to the type and
thickness of paper in use.
 If the problem persists, consult the product specialist.
Approximately 95 mm
(3.7 inches)
Consult the product specialist.
Approximately 314 mm
 Replace the photoconductor unit.