
COPYRIGHT © CANON ELECTRONICS INC. 2018 CANON DR-G2140/G2110/G2090 FIRST EDITION
5-47
CHAPTER 5 TROUBLESHOOTING
5. Scanning Speed is Slow
The speed is further reduced if high resolution, color settings, or special functions are selected.
If the scanning speed is slow after taking these considerations, the cause may be as follows.
Cause/Faulty
Locations
Step
Check Item
Result
Action
Insufficient com-
puter memory
1
Is the memory sufficient?
NO
Increase the memory.
2
Are other applications
running?
YES
Close the other applica-
tions.
3
Are resident applications
such as a virus protection
program running?
YES
Close the service-type ap-
plications.
4
Is there insufficient hard
disc space?
YES
Increase the hard disc
space.
USB3.1 Gen1 and
USB 2.0 not sup-
ported
5
Is the USB port of com-
puter supported?
NO
Use a computer that sup-
ports it.
6
Is the USB cable sup-
ported?
NO
Use the supplied USB ca-
ble.
7
Is the USB HUB sup-
ported?
NO
Use a USB HUB that sup-
ports it.
The log file setting
is [Full]
8
Is the log file setting set to
[Full]?
YES
Set to [Standard].
Table 5-406