Service manual

FO-4700U
FO-47UC
3 – 8
13. Timing chart
13-1. Print Starting
13-2. Print Ending
Fig. 14
Fig. 15
Printing Command
(/PRINT)
5500
30
1st : 1800
2nd : 970
1st : 200
250
200
200
770 770
200
140
540
1650
DC charge AC charge
1910
250
680
2nd : 450
M2 normal rotation
Polygon Motor(M2)
Printer Motor (M1)
Drum Charge
Laser Exposure
Development
(signal)
Development
(output)
Image Transfer
(signal)
Image Transfer
(output)
Paper Take-Up
Sensor Switch (PS1)
Paper Take-Up
Solenoid (SL1)
3900
540
130
Polygon Motor (M2)
Printer Motor (M1)
Drum Charge
Laser Exposure
Development
Image Transfer
Paper Exit Sensor (PS3)