Canon GP335 Service Manual page 637

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Executes auto sensitivity adjustment for the RDF sensor

(initialization).

Execute this mode if you replaced the DADF controller

PCB, original tray paper sensor (S1), or registration sensor

(S3); further, if you have replaced the DADF controller

PCB, you will have to perform additional steps.

The specifics of this adjustment are the same as those made

using the DIP switch on the DADF controller PCB.

1) Remove the DADF controller cover, and find out the

2) Select the item, and press the OK key.

3) Check that the machine executes the mode and stops

Executes separation belt cleaning mode for DADF top

1) Select UBLT-CLN to highlight.

2) Moisten the center of paper with solvent, and place the

3) Press the OK key. The original will be fed to the

4) Press the OK key to stop the operation.

5) Open the feeder upper cover, and remove the paper;

Executes separation belt cleaning mode for DADF bottom

Same as <UBLT-CLN>.

location of LED 1/2.

automatically.

paper on the original tray of the feeder.

middle, and the top pick-up separation belt will rotate

then, close the upper cover.

CHAPTER 14 TROUBLESHOOTING

See Standards and

Adjustments in the

DADF Service

Chapters

Gp405 Gp405sm