Ricoh FT8880 Service Manual page 106

Finisher Timing Chart 2 (1 staple mode: A4 sideways x 2 copies)
1
Print Key
0
1
Copier Exit Sensor
0
ON
Stack Height Sensor 2
OFF
ON
Stack Height Sensor 1
OFF
Shift Tray Lift Motor
OFF
ON
Entrance Sensor
OFF
ON
Jogger Unit Entrance Sensor
OFF
ON
Jogger Unit Paper Sensor
OFF
High
Transport Drive Motor
Low
OFF
ON
Junction Gate Solenoid
OFF
ON
Positioning Roller Solenoid
OFF
ON
Jogger H.P. Sensor
OFF
ON
Stapler Unit H.P. Sensor
OFF
CCW
Jogger Motor
OFF
CW
CCW
Stapler Unit Drive Motor
OFF
CW
ON
Staple Motor
OFF
ON
Hammer H.P. Sensor
OFF
ON
Stack Feed-out Motor
OFF
Stack Feed-out Belt H.P. Sensor ON
OFF
ON
Exit Unit Half Turn Sensor
OFF
Exit Unit H.P. Sensor
ON
OFF
ON
Exit Unit Lift Motor
OFF
ON
Exit Drive Motor
OFF
ON
Exit Sensor
OFF
Jam Detection
(Timer)
(Transport Drive Motor Pulse)
( " )
( " )
(Stack Feed-out Motor Pulse)
( " )
(Exit Drive Motor Pulse)
0
(SEC)
100ms
280ms
25
ps
42ps
250ms
200pulses
70pulses
ON
OFF
125pulses
ON OFF
1 2
20ps
67ps
67ps
67ps
100ms
100ms
162ps
140ps
40ps
450ms 600ms
ON
100pulses
160pulses
OFF
OFF
ON
3 4
(1119ps)
400ms
1250ms
Transport Drive Motor: 2.57 mm/pulse
Stack Feed-out Motor: 2.06 mm/pulse
Exit Drive Motor: 3.26 mm/pulse
122pulses
ON: ON check
(A4 sideways)
OFF: OFF check
OFF
5 6
(654ps)