JAM DETECTION
C252 4-10 SM
4.4.5 PAPER FEED JAM (A JAM LOCATION INDICATOR + + )
Paper feed
Check 1:
If the registration sensor does not detect paper after the drum has turned 93
degrees, the feed clutch stops until the drum reaches the feed start position again,
then the feed clutch turns on again (this is ‘re-feeding’). If the registration sensor
still doesn’t detect paper after the drum has turned 93 degrees since re-feeding
started, the A jam location, , and indicators light.
Note that the machine also follows this pattern if the tray is empty. There is no
paper end sensor; the registration sensor is used to detect paper end.
Just after turning on the main switch
Check:
If the registration sensor detects paper, the A and B jam location indicators light.
Main Motor
Feed Strat Timing
Sn.
Paper Feed Clutch
Registration Sn.
Check 1
93 degrees
93 degrees
Feed Start Re-Feed Start
C252T908.WMF
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