Canon imageRUNNER 2525 Series Service Manual page 191

■ Left Non-Image Width
Service mode> SCAN> READER> ADJUST> ADJ-XY> ADJ-Y
An increase of '1' will increase the non-image width by 0.1 mm.
<range>
iR2545/2535 series: 1 to 254 (default: 79)
iR2530/2525/2520 series: -25 to +25 (default: 0)
Feeding direction
of paper
Feeding direction
of paper
181
L1
image
L1
image
5. Adjustment