Fixing / Registration Assembly - Canon imageRUNNER ADVANCE 4551i Service Manual

NOTE:
The default settings by region are shown below.
US
CN
Other than above
Automatic size detection is performed by the following three sensors for the paper size of the Multi-purpose Tray.
• Multi-Purpose Tray Width Sensing PCB (S27): detects the paper width
• Multi-Purpose Tray Paper Length Sensor (S50): detects the paper length
When paper length in feed direction is not specified, control is performed based on the size detected from when the Registration
Clutch is turned ON until the Registration Sensor is turned OFF.
Non-Japanese special papers are linked with the following service mode.
COPIER > OPTION > DSPLY-SW > LOCAL-SZ
Configure the setting in Settings/Registration > Preferences > Paper Settings > Paper Settings > Other Size.
■ Long Length Paper
This machine supports long length paper.
Long length paper with 1200 mm in length can be used in the Multi-purpose Tray pickup.
CAUTION:
For copy jobs, paper with up to 630 mm in length can be used.
<Related service mode>
By setting the following service mode (Lv.2) to "1", the Long Original button appears on the Copy > Options screen, and long
length paper becomes available for use.
• COPIER > OPTION > USER > MF-LG-ST

Fixing / Registration Assembly

■ Registration Control
The registration roller is driven by the main motor (M1).
In between the registration roller and the main motor is the registration clutch (CL3), servicing to turn on and off the registration
roller so that the paper will be matched in relation to the image on the drum at correct registration.
Location
Registration Roller
Default setting
Inch Size
A/K Size
A/B Size
CL3
M1
125
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