Figure 1-102 Staple paper path
Stapler
Return roller
Stack ejection roller
Swing guide
1st delivery roller
Processing tray
When the last sheet is aligned, the stacker controller PCA moves the aligning plate to the alignment
position with the aligning motor (M103/M104) (the paper is held by the aligning plate). Then the
stacker controller PCA staples at the specified staple position. After stapling, the stacker controller
PCA starts the swing motor (M106) and lowers the swing guide. Then the stack is ejected by the
stack-delivery roller, return roller, and stack trailing-edge assist guide.
Figure 1-103 Shift process for the staple unit
Stack trailing-edge
assist guide
Return roller
Stapler
Stack ejection roller
Swing guide
The stapler motor (M41) rotates the cam one turn for stapling. The stapler home-position sensor
detects the home position of the cam. The macro computer (IC13) on the stacker controller PCA
controls the forward and reverse rotation of the staple motor. When the stapler home-position sensor
is off, the stacker controller PCA rotates the stapler motor in the forward direction until the sensor
turns on, allowing the staple cam to return to the original position. The staple sensor detects the
presence or absence of a staple cartridge in the machine and the presence or absence of staples in
the cartridge. The staple edging sensor determines whether staples are pushed up to the top of the
staple cartridge. For safety, the stacker controller circuit does not drive the staple motor (M41) unless
the staple safety switch (MSW103) is on.
ENWW Stapler/stacker and stapler/stacker with hole punch 141
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