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CHAPTER 5 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
2.1.4 Image Positioning Correction
• In case image position shifts in every color as well as the image positioning correc-
tion (Service Mode 'FUNC>IMG-REG>AUTO-ADJ') did not provide any effects on
the image shift problem, follow the below procedures for adjustments.
1) Select the service mode 'TEST>PG>TYPE'. Set to "6 (lattice pattern)" and press the
start button. (A test print will be printed out.)
2) Select the service mode 'OPTION>P-OPT>REG-DISP'. Set to "1" and then press the
OK key.
3) Press the reset key twice to exit from the service mode.
4) Press the user mode key to enter the user mode.
5) Select "Image Positioning Correction." (The display indicates as below.)
AUTO
ADJUSTMENT
MANUAL
ADJUSTMENT
6) Select "Manual Correction" key.
7) On the test print already made, on the basis of magenta color, measure how mm other
three colors are shifting from the magenta.
8) In terms of any shifts in main scanning direction, make an adjustment by changing val-
ues of REG-H(rough adjustment) / REG-HS (fine adjustment).
REG-H: In case the numerical value is increased by "+16," the position will shift to the
rear side by 1 mm.
REG-HS: In case the numerical value is increased by "+32," the position will shift to the
rear side by 0.5mm.
9) In terms of any shifts in sub-scanning direction, make an adjustment by changing the
REG-V value.
REG-V: In case the numerical value is increased by "+16," the position will shift to the
trailing edge by 1mm.
10) Select "Auto Correction" key.
11) Press the OK button to exit from the user mode.
12) On the lattice-patterned test print, check if the image is normal.
* In case the image position is not good, re-adjust the image.
* In case the image position is good, go to the next step.
13) Select the service mode 'OPTION>P-OPT>REG-DISP'. Set to "0" and press the OK
key.
14) Press the reset key twice to exit from the service mode.
5-16
REG-H
REG-HS
124
Y
150
C
BK
154
F05-201-16
COPYRIGHT © 2001 CANON INC.
REG-V
3
113
3
128
0
113
2000 2000 2000 2000
C
ACS
FULL
COLOR
BLACK
ORIGINAL
RECOGNITION
CENTER
OK
SHIFT
CANON CLC5000 REV.0 JAN. 2001
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Troubleshooting
