Canon imageRUNNER ADVANCE C255 Series, Service Manual, Page: 868 / 987

FEEDER (ADF service mode) > FUNCTION (Operation / inspection mode)
MTR-ON 1 Operation check of DADF Motor
Detail To drive the DADF Motor for approximately 5 seconds.
Use Case When checking the operation of the DADF Motor
Adj/Set/Operate Method 1) Select the item, and then press OK key.
It is driven for approximately 5 seconds and is automatically stopped.
2) Press OK key.
The operation check is completed.
Display/Adj/Set Range During operation: ACTIVE, When operation finished normally: OK!
Related Service Mode FEEDER> FUNCTION> MTR-CHK
ROLL-CLN 1 Rotation of DADF rollers
Detail To rotate the rollers of DADF for cleaning.
Check the rollers with lint-free paper moistened with alcohol while they are rotating.
Use Case
When cleaning the rollers
Adj/Set/Operate Method
1) Select the item, and then press OK key.
2) Clean the rotating rollers with lint-free paper moistened with alcohol.
3) Press OK key.
The rollers stop.
FEED-ON 1 Operation check of DADF individual feed
Detail To start operation check of the feed mode specified by FEED-CHK.
Use Case At operation check
Adj/Set/Operate Method Select the item, and then press OK key.
Related Service Mode FEEDER> FUNCTION> FEED-CHK
OPTION (Specification setting mode)
FEEDER (ADF service mode) > OPTION (Specification setting mode)
R-ATM 1 Set DADF double feed dtct highland mode
Detail To set the Double Feed Sensor of the DADF to the highland mode.
Set 1 if the installation site is above the altitude of 2000 meters.
Use Case When the installation site is above the altitude of 2000 meters at installation
Adj/Set/Operate Method Enter the setting value, and then press OK key.
Display/Adj/Set Range 0 to 1
0: Normal, 1: Highland mode
Default Value 0
R-OVLPLV 2 Set DADF double feed dtct threshold VL
Detail To set the threshold value at which the Double Feed Sensor of the DADF judges whether papers
are double fed.
Decrease the value if single feed of paper is incorrectly detected as double feed.
Increase the value if double feed of paper is incorrectly detected as single feed.
Use Case
When double feed is incorrectly detected with special paper not defined in the specifications
Adj/Set/Operate Method
Enter the setting value (switch negative/positive by -/+ key) and press OK key.
Caution
In the case of highlands, be sure to set R-ATM in advance.
Display/Adj/Set Range
-3 to 3
Default Value 0
Related Service Mode FEEDER> OPTION> R-ATM
8. Service Mode
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