Kyocera Mita DF-75, Service Manual

Page: 47 / 199

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CHAPTER 2 OUTLINE OF OPERATION
3. Stapling Operation
3.1 Outline
Staple operation is performed to staple a specified sheets of paper using a stapler unit.
The stapling position depends on the staple mode and paper size.
When the machine starts immediately after power-on, the finisher controller PCB drives the
slide motor (M8) to return the stapler unit to the home position. The stapler unit starts moving
toward the front of the stapler frame. It stops when the slide home position sensor (PI18) on
the slide PCB located under the stapler unit. Next, the slide motor is driven a specified num-
ber of pulses. The stapler unit moves to rear standby position at the back of the machine, en-
tering the standby state.
Sensor
Slide home position
sensor
Staple home posi-
tion sensor
Staple empty sensor
Staple top position
sensor
Function
Detects the home position for the
stapler moving back and forth.
Detects the home position for the
stapling operation
Detects presence or absence of
staples in the cartridge.
Detects the staple top position.
Simbol
PI18
PI19
PI20
PI21
Connector
CN11-3
CN11-4
CN11-5
CN11-6
Remarks
–
In the sta-
pler
In the sta-
pler
In the sta-
pler
Function Motor Symbol Remarks
Moves the stapler. Slide motor M 8 –
Performs stapling operation. Staple/fold motor M 7 –
T02-301-01