Canon iR7086 Series Service Manual page 635

*: model equipped with DADF-Q1 (outside Japan: iR7105/7095; inside Japan: All model).
**: model equipped with DADF-M1 (outside Japan: iR7086).
Sub item
LUT-ADJ * Use it to execute CCD gain abridged correction.
<Procedure>
1) Select the item, and press the OK key so that auto adjustment takes place.
2) See that adjustment ends automatically.
3) The items under COPIER>ADJUST>LAMP, COPIER>ADJUST>CCD in service mode are updated. Print out a service sheet for
future reference.
DF-WLVL1 Use it to adjust the ADF white level.
**
<Procedure>
DF-WLVL2
1) Place paper on the copyboard glass, and execute DF-WLVL1. (Make sure that the paper is a type used by the user.)
**
-> The machine will read the white level used for copyboard mode (i.e., checks the transmissivity of the copyboard glass).
2) Place paper in the ADF, and execute DF-WLVL2. (Make sure that the paper is a type used by the user.)
-> The machine reads the white level used for ADF stream reading mode (i.e., to check the transmissivity of the stream reading glass).
Be sure to execute the foregoing always in combination in the correct order, i.e., DF-WLVL1 and then DF-WLVL2.
LUT-ADJ2 * Use it to fine-adjust the CCD gain.
Use it if the difference, if any, in density cannot be corrected using LUT-ADJ (CCD gain abridged correction).
<Procedure>
1) Place the 10-gradation chart (D-10 Test Sheet ; FY9-9129) on the copyboard glass.
2) Select the item, and press the OK key so that auto adjustment takes place.
3) See that the machine ends the adjustment automatically.
4) The items under COPIER > ADJUST > LAMP, COPIER > ADJUST > CCD are updated. Print out a service sheet for future
reference.
<LASER>
Operation Concerning Laser
Sub item
POWER-A/B/ Use it to turn on the laser (A, B, C, D).
C/D
<Procedure>
1) Select the item, and press the OK key.
2) See that the laser goes on, and 'START' -> 'ACTIVE' appears.
3) See that the laser goes off in about 60 sec automatically and 'OK!' appears.
MEMO:
Do not use for servicing.
<DPC>
Operation Concerning Potential Sensor
Sub item
OFST Use it to adjust the offset of the potential sensor.
- Do not execute this item on its own. It is part of a series of operations performed when replacing the potential sensor unit.
- Do not use it except when changing the potential sensor unit
<Procedure>
1) Select the item, and press the OK key so that offset adjustment takes place.
2) See that the machine ends the adjustment automatically.
<CST>
COPIER > FUNCTION > CCD
Description
T-17-34
COPIER > FUNCTION > LASER
Description
T-17-35
COPIER > FUNCTION > DPC
Description
Chapter 17
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