Interval Speed Increase Control - Canon Color imageCLASS MF9170c Service Manual

8.1.2 Interval Speed Increase Control

imageCLASS MF9170c / imageCLASS MF9150c / imageCLASS MF8450c
To increase printing speed, the machine increases the speed in an interval which does not affect image formation.
The DC controller increases the process speed four times faster when the paper is fed to the reverse assembly. It also increases the process speed of duplex printing
four times faster at the duplex feed assembly.
Timing
Timing of increasing the speed
Timing of decreasing the speed
Reverse assembly
SR708: pre-registration sensor
T-8-1
Single-sided printing
After the trailing edge of the paper passes through the
fixing delivery roller
After the trailing edge of the paper passes through the
holding roller 2
Holding roller 2
Increasing the speed
Fixing delivery roller
F-8-3
Duplex printing
After the trailing edge of the paper passes through the
fixing delivery roller
When the leading edge of the paper reaches the pre-
registration sensor
Duplexing feed assembly
Increasing
the speed
SR708
Decreasing
the speed
Chapter 8
0020-8556
8-3