Feed-stationary jam
If the inlet sensor (PS1301) does not detect the trailing edge of the media within a specific time
period after it detects the leading edge, the microprocessor on the MBM-driver PCA determines that
a feed-stationary jam has occurred.
Delivery-stationary jam
If the delivery sensor (PS1302) does not detect the trailing edge of the media within a specific time
period after the feed motor has begun rotating, the microprocessor on the MBM-driver PCA
determines that a delivery-stationary jam has occurred.
Residual-media jam
If the inlet sensor (PS1301) detects the presence of media during the initial WAIT period, the
microprocessor on the MBM-driver PCA determines that a residual-media jam has occurred.
Stapler unit
The stapler unit holds the staple cartridge and the staple motor. The staple cartridge contains up to
5,000 staples. The stapler unit also has three sensors that detect the presence of staples and staple
jams.
■ The staple-home-position sensor (PHOI1) detects when the stapler is in the correct position
staple. If the stapler is in the incorrect position, the staple/stacker-driver PCA notifies the
formatter that a staple jam has occurred.
■ The staple-ready sensor (PHOI2) detects when the stapler is self-primed after a new staple
cartridge is installed. If the sensor determines that the self-priming function was unsuccessful,
the staple/stacker-driver PCA notifies the formatter that a staple jam has occurred.
■ The staple-presence sensor (PHOI3) detects the number of staples in the staple cartridge. When
the number of staples in the cartridge is 20 or fewer, the stapler/stacker-driver PCA notifies the
formatter. A STAPLER LOW ON STAPLES message appears on the control-panel display.
Pickup, feed, and delivery system 135
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