Paper Feed And Misfeed Detection Timing - Ricoh FT4220 Service Training Manual

10.10 PAPER FEED AND MISFEED DETECTION TIMING

0
Timing Pulse
(4 msec/pulse)
Start Key
Main Motor
<1st Feed Station>
1st Feed Clutch
Solenoid
Pick-up Roller
Release Solenoid
Registration
Sensor
Registration
Clutch
<2nd Feed Station>
Relay Roller
Clutch
2nd Feed
Clutch
Registration
Sensor
Registration
Clutch
Exit Sensor
FT4222 copier
<3rd Feed Station>
Relay Roller
Clutch
3rd Feed
Clutch
Relay Sensor
Registration
Sensor
Registration
Clutch
STM
100 1500
400ms
1750
100
1877
120ms
1433 (FT4220 copier) 2183→1433
1557 (FT4222 copier) 2252→1557
100
500ms
1320
100
500ms
JR
1587
2000 2500
(FT4220 copier) 2500→1750
(FT4222 copier) 2445→1750
1750
2273 (A4S) 1877
2285 (LTS)
J1 J1
2010
120ms
2000 2000
2010 2010
500ms
J1
2010
114ms
2000 2000
J2
2700
2015→1320 2710→1320
2010
2010
500ms
JR
1587
J1
2010
114ms 114ms
2000 2000
2-74
3000 3500 4000
3250→1750
1750
2273 (A4S) 1877 2273 (A4S)
2285 (LTS)
2285 (LTS)
J1
2010 2010
120ms
2000
2933→1433 3683→1433
2947→1557 3642→1557
2010
500ms
J1 J1
2010 2010
114ms 114ms
2000
J3 J2
2700
2.75 sec (A4 sidewise)
2.80 sec (LT sidewise)
3405→1320
2010
500ms
JR
1587 1587
J1 J1
2010 2010
114ms
2000
FT4220/4222
500ms
500ms
JR