Ricoh Taurus-C1a Technical Bulletin page 241

Model:
Taurus-C1a/C1b (D074/D075)
2. 50mm pitch banding
Symptom 50mm pitch banding
Cause Incorrect engagement of the development unit gear and the mainframe gear
causes uneven revolution of the development roller.
Action Align the mark on the development unit gear with the mark on the mainframe
gear.
Image
Approx 50mm
RTB# RD074019 or newer
Note: The effect of the countermeasure will vary depending on the unit.
T B
echnical ulletin
Date:
25-Apr-12
PAGE: 2/5
No.:
RD074062