Ricoh JP735 Service Manual download pdf (Page 93)

JAM DETECTION

SM 4-9 C252

Trouble

shooting

Clamping the master

Check:

When the master eject position sensor turns on (drum at master eject position)

after 0.5 second, if the drum master sensor doesn’t detect a master, then the D jam

indicator lights.

4.4.4 DRUM JAM (B JAM LOCATION INDICATOR)

Wrapping jam

Check 1:

When the drum has turned 360 degrees since the feed start timing sensor turned

on, and the paper exit sensor still doesn’t detect the paper, then the B jam indicator

lights.

Check:

At the same time as check 1, if the paper exit sensor doesn’t detect the paper and

the registration sensor is on, then the A and B jam indicators light.

Master Making

(Wrapping Master)

0.5 sec.

Check

Master Eject

Position Sn.

Main Motor

Drum Master Sn.

C252T906.WMF

Main Motor

Feed Start Timing Sn.

360 degrees

Check 1

Registration Sn.

Power Exit Sn.

C252T907.WMF

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Ricoh JP735 Service Manual Page 93