Canon imageFORMULA DR-7090C Universal Reference Guide - Page 66

The Scanner Is Not Recognized Connecting, via USB, via SCSI

Get Canon imageFORMULA DR-7090C Universal PDF manuals and user guides View all Canon imageFORMULA DR-7090C Universal manuals
Add to My Manuals
Save this manual to your list of manuals

Page 66 highlights

■ The Scanner Is Not Recognized (Connecting via USB) If the scanner's USB connection is not recognized, first confirm the following: ✔ Are the scanner and PC connected correctly using the proper cable? ✔ Is the scanner's power switch turned ON? If this does not solve the problem, consider the following possible causes: Cause Solution The scanner does not support your USB interface. This product is not guaranteed to operate with all types of USB interfaces. Contact your local authorized Canon dealer or service representative for more information. Cause The scanner does not support the USB cable. Solution Use the USB cable provided with the scanner. Cause The USB hub is not compatible with the scanner. Solution Remove the USB hub. Cause Solution The SCSI terminator is not set to ON. When using a USB connection, proper scanning may not be possible if the SCSI terminator is not set to ON. Make sure to set the SCSI terminator to ON. ■ The Scanner Is Not Recognized (Connecting via SCSI) If the scanner's SCSI connection is not recognized, first confirm the following: ✔ Are the scanner and PC connected correctly using the proper cable? ✔ Is the scanner's power switch turned ON? ✔ Is the SCSI card in the PC operating properly? ✔ Was the PC turned ON before the scanner? IMPORTANT When using the SCSI connection, if the scanner is turned ON after the PC, it may not be properly recognized by the PC. If this does not solve the problem, consider the following possible causes: Cause The SCSI card is not compatible with the scanner. Solution Use a recommended SCSI card. Cause Solution The scanner's SCSI ID is identical to the SCSI ID of another device. Check the SCSI IDs of all SCSI devices connected to the system and set a unique SCSI ID for the scanner. Cause Solution The terminator is not set correctly. When another SCSI device is connected between the scanner and the PC, that device's terminator must be disabled (set to OFF). Cause Solution There is a problem with another SCSI device that is connected in the daisy chain. Do not use the daisy chain connection configuration. 58

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
58
■
The Scanner Is Not Recognized (Connecting
via USB)
If the scanner’s USB connection is not recognized, first
confirm the following:
✔
Are the scanner and PC connected correctly using the
proper cable?
✔
Is the scanner’s power switch turned ON?
If this does not solve the problem, consider the following
possible causes:
Cause
The scanner does not support your USB
interface.
Solution
This product is not guaranteed to operate with
all types of USB interfaces. Contact your local
authorized Canon dealer or service
representative for more information.
Cause
The scanner does not support the USB
cable.
Solution
Use the USB cable provided with the scanner.
Cause
The USB hub is not compatible with the
scanner.
Solution
Remove the USB hub.
Cause
The SCSI terminator is not set to ON.
Solution
When using a USB connection, proper
scanning may not be possible if the SCSI
terminator is not set to ON. Make sure to set
the SCSI terminator to ON.
■
The Scanner Is Not Recognized (Connecting
via SCSI)
If the scanner’s SCSI connection is not recognized, first
confirm the following:
✔
Are the scanner and PC connected correctly using the
proper cable?
✔
Is the scanner’s power switch turned ON?
✔
Is the SCSI card in the PC operating properly?
✔
Was the PC turned ON before the scanner?
IMPORTANT
When using the SCSI connection, if the scanner is turned ON
after the PC, it may not be properly recognized by the PC.
If this does not solve the problem, consider the following
possible causes:
Cause
The SCSI card is not compatible with the
scanner.
Solution
Use a recommended SCSI card.
Cause
The scanner’s SCSI ID is identical to the
SCSI ID of another device.
Solution
Check the SCSI IDs of all SCSI devices
connected to the system and set a unique SCSI
ID for the scanner.
Cause
The terminator is not set correctly.
Solution
When another SCSI device is connected
between the scanner and the PC, that device’s
terminator must be disabled (set to OFF).
Cause
There is a problem with another SCSI
device that is connected in the daisy
chain.
Solution
Do not use the daisy chain connection
configuration.