Canon imagerunner C5180 Service Manual page 185

Chapter 6
At time of a job
At the start of a job
If it finds dust at all 5 points (A, B, C, D, E), then it will indicate an alarm when an original is placed in the
ADF, prompting the user for cleaning. To reset, press [close].
When it starts a job, it will run the session once again and use a point with no dust or little dust as the reading
position.
*1: reading position at the end of the previous job.
*2: point with no dust or little dust.
A reading reference position (1.0 mm to the left from the center of the platen roller)
B 1.0 mm to the left from the reference position
C 0.5 mm to the left from the reference position
D 0.5 mm to the right from the reference position
E 1.0 mm to the right from the reference position (center of the platen roller)
6-18
0.5mm
0.5mm
0.5mm
B C
A D
*1
*1
*1
F-6-28
T-6-7
0.5mm
E
pattern 1
pattern 2
pattern 3
pattern 4
pattern 5
*2