DRUM UNIT
B234/B235/B236/D101/D102/D103 6-72 SM
Timing Sequence for Operation of the 2nd Cleaning Blade
At the end of a job:
2nd blade solenoid (a magnetic latching solenoid) activates and pushes a lever
that locks the 2nd cleaning blade against the drum.
Drum motor rotates forward for 20 s and reverse for 0.2 s. The length of time
that the blade is held against the drum can be adjusted with SP2930 003.
Drum motor stops.
2nd blade solenoid pushes the lever that pulls the 2nd cleaning blade away
from the drum surface and locks it in the release position.
At the following times, current is applied to the 2nd cleaning blade solenoid for 0.1
s to make sure that the solenoid is restored to its normal state (released and away
from the drum):
• Immediately after the machine is turned on
• When either front door is closed
• At the beginning of every job
0.3 s 0.1 s 0.3 s 0.1 s
0.2 s
B234D902G.WMF
2nd Blade SOL
Drum Motor
Forward
Æ
Reverse Å
2nd Cleaning Blade Operation Time – 20 s (default)
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