Nd Drum Master Sensor - Ricoh C249 Service Manual

MASTER FEED

6.4.10 2ND DRUM MASTER SENSOR

Mechanism
The 2nd drum master sensor [A] detects a black patch on the screen [B] when
there is no master on the drum.
↓
The 2nd drum master sensor detects black patch on the clamper [C] even if there
is a master on the drum.
↓
The master push mylar [D] contacts with the master [E] on the drum.
[A]: 2nd drum master sensor
[B]: Black patch on the screen
[C]: Black patch on the clamper
• The 2nd drum master sensor prevents contact with the
master push mylar from contacting the drum when there
is no master on the drum.
C249
[A]
6-28
[C]
[B]
C249D932.WMF
[E]
[D]
[A]
C249D013.WMF
SM