COPYRIGHT
©
2001 CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001
A-1
1 GENERAL TIMING CHART
Copy Start key ON
Setting original in ADF
Forming 2nd sheet image
Scanner home position sensor
(iR8500: PS 1, iR7200: PS 102)
Image leading edge sensor (PS3)
Scanning lamp
(iR8500: FL 1, iR7200: LA 100)
Scanner motor
(iR8500: M 5, iR7200: M 101)
Pre-exposure lamp
Developing bias (DC)
Developing bias (AC)
Pre-transfer charging (DC)
Pre-transfer charging (AC)
Transfer charging
Separation charging
Fixing main heater (H1)
Fixing sub heater (H2)
Primary charging
Grid bias
Pickup motor (M2)
Right deck pickup clutch (CL10)
Right deck pickup solenoid (SL7)
Right deck paper sensor (PS22)
Vertical path 1 paper sensor
(PS47)
Registration paper sensor (PS5)
Internal delivery sensor (PS9)
External delivery sensor (PS10)
Delivery speed switching clutch
(CL21)
Registration brake clutch (CL3)
Fixing inlet guide solenoid (SL1)
Developing clutch (CL4)
Pre-registration clutch (CL5)
Registration clutch (CL2)
Pre-registration brake clutch (CL 6)
Vertical path 1 clutch (CL8)
Drum motor (M0)
Main motor (M1)
Fixing motor (M3)
Delivery flapper solenoid (SL3)
Fixing web solenoid (SL2)
Duplexing reversal motor (M11)
Duplexing feeder motor (M12)
Horizontal registration motor (M15)
Duplexing reversal sensor (PS12)
Lower feeding middle clutch
(CL16)
Lower feeding right clutch (CL17)
Reversing flapper solenoid (SL11)
Count up signal
Laser scanner motor (M4)
Laser
Picking up 1st sheet
Picking up 2nd sheet /Forming 1st sheet image
A4, 2 Originals, Single-Sided Copy
F0A-100-01
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