Horizontal Black Streaks In The Area 9 Mm (0.3 Inches) From The Leading Edge Of The Paper - Ricoh Pro C7500 Original Instructions Manual

5. Image Quality Problem: Lines/Streaks
Solutions:
You can resolve the problem by decreasing the line speed of the paper transfer belt. In [Detailed
settings] for custom paper, select 1341: [Speed Adjustment], and then make adjustments in 01: [Transfer
Timing Roller] and 02: [Paper Transfer Belt] in the following combinations, print the image to check the
results, and then select the best combination among them.
1341-01 [Transfer Timing Roller]
Decrease the value by 0.1% from the default
value.
Decrease the value by 0.2% from the default
value.
Decrease the value by 0.3% from the default
value.
Decrease the value by 0.4% from the default
value.
Decrease the value by 0.5% from the default
value.
• Errors may occur depending on the degree of adjustment and conditions. In such a case, contact
your service representative.
• Decreasing the paper transfer roller speed may cause the image to expand or contract in the
subscanning direction. Such a problem may be resolved by increasing the value for [Image
Magnification] in [Manual Adjustment] in [Adjust image position] on the [Media] hub.
Horizontal Black Streaks in the area 9 mm (0.3 inches) from the leading edge
of the paper
Black banding perpendicular to the paper feed direction appears in the area approximately 9 mm (0.3
inches) from the leading edge of the paper.
152
1341-02 [Paper Transfer Belt]
Decrease the value by 0.2% from the default
value.
Decrease the value by 0.4% from the default
value.
Decrease the value by 0.6% from the default
value.
Decrease the value by 0.8% from the default
value.
Decrease the value by 1.0% from the default
value.