When the scanner is not recognized – Canon DR-5020 User Manual

Page 68

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68

Chapter 4

Troubleshooting

When The Scanner Is Not
Recognized

The following describes possible causes of your computer not recognizing the
scanner. Remedy the problem by following the remedy for the respective cause.

Cause

Scanner is not correctly connected.

Remedy

Connect the scanner to the SCSI card correctly.

Cause

The SCSI card is not correctly recognized.

Remedy

Correctly connect the SCSI card referring to the SCSI card Manual.
Also, check the following according to the OS that your computer is
running on.

<Windows95>
Check under [Start] - [Settings] - [Control Panel] - [System] - [Device
Manager] to see if “x” or “!” is displayed for the SCSI controller. If
either of these is displayed, reset the SCSI card referring to the SCSI
Card Manual.

<WindowsNT>
Check under [Start] - [Settings] - [Control Panel] - [SCSI Adapter] to
see if the SCSI card is correctly recognized. If it is not, reset the SCSI
card referring to the SCSI Card Manual.

Cause

Same SCSI ID is used for other SCSI devices.

Remedy

Check the SCSI ID of all connected SCSI devices, and make sure that
the same SCSI ID is not set to two or more devices. Reset the SCSI
IDs if the same SCSI ID is set.

Cause

The terminator is not correctly connected.

Remedy

Connect the terminator to the last SCSI device on the end of the daisy
chain. Enable the terminator function if the SCSI device has a built-in
terminator function.

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