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COPYRIGHT
©
2001 CANON INC. 2000 2000 2000 2000 CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001
CHAPTER 5 SERVICE MODE
5-66 T
EGGN-POS
Use it to execute automatic adjustment of the edge gain correction for the
CCD. (The edge gain correction of the CCD is effective only when the ADF
is in use.)
Caution • If you have replaced the CCD unit, be sure to execute the following
first: COPIER>FUNCTION>CCD>CCD-ADJ.
• Execute this mode if you have replaced any of the following: CCD unit,
No. 1 mirror base, No. 2 mirror base.
Using the Mode
1) Open the ADF (copyboard cover).
2) Select <EGGN-POS> to highlight, and press the OK key.
3) The machine executes automatic adjustment (about 1 sec).
4) When done, the machine stops automatically, and indicates the result
(OK/NG).
• If ‘NG’ is indicated, perform the following, and execute this mode once
again:
a. Is the ADF (copyboard cover) open?
b. Is the read glass mounted correctly?
c. Is the edge gain correction plate (attached to the read glass) normal?
d. Does the scanning lamp go ON?
5) The items under COPIER>ADJUST>CCD>EGGN-ST and EGGN-
END are updated. Record the new settings on the service label.
F05-501-04
Edge gain correction plate
Copyboard glass
(front)
Read glass
COPIER>FUNCTION>CCD