Power-On Sequence - Canon Color imageCLASS MF9170c Service Manual

Chapter 2

2.2.2 Power-On Sequence

imageCLASS MF9170c / imageCLASS MF9150c / imageCLASS MF8450c
Power-on sequence is to reset the machine's status and to check that there is no JAM or failure.
The sequences from power-ON until the stand-by status are as below.
*1 Items surrounding with dotted line are functioning only when needed.
2-4
Power-ON
Initialize CPU
Initialize ASIC
Start-up fans
Video interface communication start
Internal communication start
Check residual jam
Fixing unit pressurized
Developing cylinder
disengagement check
Disengaged
Check environment
Initial drive for motors
Toner cartridge detection
Check residual paper
Initial drive for scanner
Transfer roller position detection
Home position
ETB cleaning
Each drum phase adjustment
Color displacement correction control
Image stability control
Standby
F-2-3
Engaged
Developing cylinder disengaged
Out of home position
Shift home position
*1
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