Ricoh pro c901 - Page 501

Technical Bulletin PAGE: 49/75
Reissued:21-Apr-14
Model: Aries-P1.5/C1.5
Date: 10-Mar-14
No.: RM077107b
No.5 1.8mm Pitch Banding
Cause
 If the bands appear in every color, the problem is originating in the ITB drive
motor/ gear.
 If the bands appear in certain color(s), the problem is originating in the drum drive
motor/gear of the affected color.
Location of the band by color and paper size
Across the entire page in all or specific color(s)
Action
Change the Dither to "dot".
a. 200Dot + Fine Text & Graphic
b. 150 Dot
c. 175 Dot
Among the above options a~c, select the one that least generates the possible side
effects.
Side effect
The above a-c corresponds with the following side-effects a-c.
a. Possible density inconsistency
b. Possible density inconsistency
c. Possible moiré
1.8mm