Canon IR2800, IR3300, IR2200 manual Eggn-Pos, F05-501-04 66 T

CHAPTER 5 SERVICE MODE

COPIER>FUNCTION>CCD

EGGN-POS

Caution

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.)

•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.

Read glass

Edge gain correction plate

Copyboard glass

(front)

F05-501-04

5-66 T COPYRIGHT © 2001 CANON INC. CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001