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

A-1

A. General Timing Chart

General Timing Chart (printer unit)

A4, 2 sheets, Single-sided, Direct, Cassette (reversal delivery)

Main motor (M1)
Developing bias (DC)
Separation static eliminating bias
Pre-exposure lamp (LAMP2)
Transfer sheet-to-sheet interval bias
Developing clutch (CL3)
Developing bias (AC)
Primary charging bias (DC)
Primary charging bias (AC)
Separation charging bias
Transfer changing cleaning bias
Fixing main heater (H1)
Laser activation
Pickup motor (M2)
Pickup DOWN solenoid (SL1)
Cassette 1 re-try paper sensor (PS7)
Registration motor (M9)
Laser scanner motor (M10)
Registration paper sensor (PS10)
Image leading edge sensor (PS12)
Fixing / feeding sensor (PS13)
Vertical path clutch (CL1)
Pre-registration paper sensor (PS9)
No.1 delivery sensor (PS15)
No.1 delivery full sensor (PS16)
Fixing motor (M4)
Fixing film sensor (PS26)
Delivery motor (M5)
Printer Unit
PSTBY
PINTR PRINT LSTR PSTBY
Print command received
Job start command received Print end command received
Fixing sub heater(H2)
*2
*1
*1: Varies between 0 and 9 min to suit the selected silent mode shift interval.
*2: Goes ON once every 540 msec.