12. SERVICE MODE Field Service Ver. 2.0 Jul. 2009
484
ADJUSTMENT / SETTING
12.6.3 Transfer Belt-Auto Cleaning
A. Use
• To set whether to perform the long regular transfer belt cleaning operation (approx. 30
sec).
• The long cleaning operation (approx. 30 seconds) can be used to take more effective
measures against toner filming on the surface of the transfer belt.
Enable : Performs the long cleaning operation (approx. 30 sec) after the normal regular
cleaning operations (approx. 10 sec.) which are performed nine times.
Disable : Performs only the normal regular operations (approx. 10 sec) but not the long
cleaning operation (approx. 30 sec.).
B. Procedure
• The default setting is Disable.
Enable “Disable”
12.6.4 D Max Density
A. Use
• To adjust gradation, color, and image density to target reproduction levels by varying the
maximum amount of toner sticking to paper through auxiliary manual fine-adjustment of
gamma of each color after gradation adjust.
• An image quality problem is not corrected even after gradation adjust has been run.
B. Procedure
• The default setting is 0.
-10 to +10 (step: 1 *)
*: 1 step corresponds to 0.03 in density difference.
1. Call the Service Mode to the screen.
2. Touch these keys in this order: [Imaging Process Adjustment] o [D Max Density].
3. Select [COPY] or [Printer].
4. Select the color to be adjusted.
5. Enter the new
setting from the 10-key pad or [+/-].
To increase the maximum amount of toner sticking, increase the setting value.
To decrease the maximum amount of toner sticking, decrease the setting value.
6. Touch [END] to return to the [Process] menu screen.
7. Touch [Stabilizer].
8. Touch [Stabilizer Mode].
9. Press the Start key to validate the adjustment value.
10. Check the print image for any image problem.
NOTE
• If the setting value has been changed, be sure to run an image stabilization
sequence to make valid the new value.
Service Manual Y110571-1
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