COPYRIGHT
©
2001 CANON INC. 2000 2000 2000 2000 CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001

A-2

General Timing Chart (reader unit w/ ADF)

A4, 2 sheets, Signal-sided, Direct

A4, 1 sheet, Double-sided, Direct

Reader Unit

ADF

STBY
Original set sensor (PI10)
Registration paper sensor (PI6)
Read sensor (PI7)
Delivery reversal sensor (PI8)
Pickup motor (M2)
Main motor (M1)
Pickup DOWN solenoid (SL1)
Original placed
1st original
separated/feed
1st original read
2nd original separated/feed
1st original delivered
2nd original read
2nd original
delivered
Scanner home position sensor (PS400)
Scanning lamp (LAMP1)
Scanner motor (M400)
CCW CW
Start key ON
Print command sent
Print command sent
: motor CCW.

Reader Unit

ADF

STBY
Original set sensor (PI10)
Registration paper sensor (PI6)
Read sensor (PI7)
Delivery reversal sensor (PI8)
Pickup motor (M2)
Main motor (M1)
Pickup DOWN solenoid (SL1)
Original placed
Original
separated/feed
Original
face read Original
reversed
Original reversed
(idle feed)
Scanner home position sensor (PS400)
Scanning lamp (LAMP1)
Scanner motor (M400)
CCW CW
Start key ON
Print command sent
Original
delivered
:motor CCW.
Original
back read