Stapling
D372 36 SM
The motor turns on and brings the stapler forward until the stapler HP sensor goes ON.
Then the motor remains on to move the stapler an additional 1.2 mm, then stops. This
is the home position.
 Stapler HP sensor ON
The stapler movement motor turns on and moves the stapler to the rear until the
stapler HP sensor goes OFF. The motor stays on to move the stapler 12 mm, then
stops. Next, the motor turns on again and brings the stapler forward until the stapler
HP sensor goes ON, the motor stays on to move the stapler 1.2 mm, then stops. This
is the home position.
2.4.3 STAPLER ERRORS
A stapler position error can occur in two cases:
 Stapler HP sensor does not go OFF.
The stapler HP sensor does not go OFF even after the stapler movement motor has
been on long enough to move the stapler away from the home position.
 Stapler HP sensor does not go ON
While the stapler is out of the home position, the stapler HP sensor does not go ON
even after the stapler movement motor has been on long enough to move the stapler
into the home position.
 Stapler is out of staples.
At power on, if staples are not detected in the stapler, the staple detection sequence
executes up to 10 times until "staples present" is detected. If staples cannot be
detected after 10 attempts, then the staples out alert is issued.
When one of these errors occurs, the exciter current to the stapler motor is switched off.
Both of the HP sensor errors described above are counted as the same error. In either case,
the first occurrence of the error is considered a jam, and the second occurrence issues
SC742 (Stapler Movement Motor Error).
To recover from an error:
 At the first occurrence of a stapler HP sensor error, removing the jam then opening and
closing either the top cover or the stapler door triggers the initial check and restores
normal operation if no problems are detected.
 At the second occurrence after SC742 is issued, cycling the main machine power
off/on may restore full operation if no problems are detected.
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