Ricoh Pro C7500 Original Instructions Manual page 96

4. Image Quality Problem: Full Page
Arched glossy streaks appear due to contact with unfused images in the paper path, causing partial
fluctuation to the gloss.
Solution:
(a) Voids appear on the first 8 sheets of A3 paper during initial feeding
1. In the [Machine: Maintenance] group on the [Operator Adjust.] menu, execute 0512-01:
[Fuser Unit Speed Adjustment].
(b) If the problem occurs from the start to the end of printing / If the problem occurs
prominently on side 1 during duplex printing
1. For coated paper size A3 or larger of weight 4 or lower, or non-coated paper of size A3
or larger of weight 1, set the paper direction to be horizontal relative to the feed
direction.
2. If the problem persists, select [Speed Adjustment] in 1341 [Motor Speed] in [Detailed
settings] for custom paper, and then increase the line speed in steps of 0.5% according to
the paper length.
• 1341-04: Motor Speed: Speed Adjustment: Fusing Belt: Paper Length: Less than 487.8 mm
You can increase the value up to +1.0%.
• Do not set the value to +1.5% or above.
• If set to +1.5% or above, the paper may be pulled by the paper transfer, causing image
stretching.
3. (For paper with a paper length of 487.8 mm or more) If the problem persists, select
[Speed Adjustment] in 1341 [Motor Speed] in [Detailed settings] for custom paper, and
then decrease the line speed in steps of -0.5% according to the paper length.
• 1341-05: Motor Speed: Speed Adjustment: Fusing Belt: Paper Length: 487.8 - 700.0 mm
• 1341-06: Motor Speed: Speed Adjustment: Fusing Belt: Paper Length: More than 700.0 mm
You can decrease the value up to -1.5%.
• For banner sheets, the fusing belt speed adjustment setting is set to "-0.5%" as the default.
Decrease the value additionally from "-0.5%".
• After performing the solution, it is recommended to perform the color calibration of the external
controller.
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