Canon DR-2510M - imageFORMULA - Document Scanner Manuale di riferimento - Pagina 27

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Troubleshooting

Common Problems and Solutions

This section provides recommended solutions to common problems.

If you have a problem that is not solved by the following, contact your

local authorized Canon dealer.

Problem 1

The scanner will not turn on.

Solutions

(1) Confirm that the power switch is set correctly.

(2) Confirm that the AC adapter is plugged firmly into a

power outlet.

(3) When the power switch is in the AUTO position, the

scanner only turns on when the computer is on.

Problem 2

The scanner is not recognized.

Solutions

(1) Confirm that the scanner is properly connected to

the computer with a USB cable.

(2) Confirm that the scanner is turned on. See the

previous problem (1) if the scanner does not turn on.

(3) The computer's USB interface may not support the

scanner. The scanner cannot be guaranteed to work

with all USB interfaces.

(4) Confirm that the supplied USB cable is used to

connect the scanner to the computer. The scanner

cannot be guaranteed to work with all available USB

cables.

(5) If the scanner is connected to the computer via a

USB hub, try removing the hub and connecting

directly to the computer.

Problem 3

Documents feed askew (scanned images are

slanted).

Solutions

(1) Align the document guides to fit the documents as

closely as possible, and load the documents so that

they feed straightly.

(2) Enable the [Deskew] scanner driver setting.

(3) If many pages have been scanned since roller

cleaning, clean the rollers. If documents still feed

askew, roller replacement or other maintenance

may be needed. See "Replacing Consumables" on

p. 26 for roller replacement procedures.

Problem 4

Both sides are not scanned even when the Duplex

scanner driver setting is enabled.

Solutions

Before executing a CaptureOnTouch job, ensure that

the registered job settings are appropriate for the

intended scanning. If [Simplex] is selected on the

[Scanner Setting] tab of the [Job Register] dialog box,

scanning will always be single-sided (simplex). To

perform duplex scanning, either change the job setting

or create another job for duplex scanning.

Problem 5

If white lines or streaks appear in scanned images.

Solutions

Clean both sides of the scanner glass, and the rollers

(both rubber and metal). If a sticky substance such as

glue or correction fluid is found, carefully wipe with just

enough pressure to clean the area where the lines

appear. If the problem cannot be solved by cleaning, the

internal glass may be scratched. Contact your local

authorized Canon dealer.

Problem 6

Pages are missing.

Solutions

When the scanner driver's [Scanning Side] setting is

[Skip Blank Page], documents with very little black may

be unintentionally skipped. Select another scan mode

setting such as [Simplex] or [Duplex], or decrease the

[Ratio of black pixels]. If pages are skipped due to the

document double feeding, see "Problem 7 Documents

jam (or double-feed)".

Problem 7

Documents jam (or double-feed).

Solutions

(1) Confirm that the roller is installed in the scanner

according to the Setup Guide page insert. The roller

is not installed in the scanner when shipped, and

proper feeding is not possible until it is installed. If

the roller has been installed correctly, clean it if

necessary.

(2) Proper scanning may not be possible when

document pages stick together due to static

electricity. Fan the documents before you load them.

(3) Set the feed selection lever to

manually feed the scanner one page at a time.

(Bypass), and