Ricoh pro c901 - Page 458

Technical Bulletin PAGE: 6/75
Reissued:21-Apr-14
Model: Aries-P1.5/C1.5
Date: 10-Mar-14
No.: RM077107b
Diagrams describing the drum knob position
[Incompletely tightened drum knob] [Completely tightened drum knob]
Procedure for fastening the drum knob with the “Drum Knob Tool”
1. Attach the tool to the drum knob
2. Turn the drum knob clockwise until the tool runs idle
Faceplate
Drum
Drum
knob
Drum
knob
There is no gap. Drum
is set flush and the PG
is correct when the
drum knob is tightened
completely.
Drum
This gap causes the
drum to skew and
narrow the PG.