Canon imageCLASS MF275dw Wireless All-In-One Monochrome Laser Printer - Manual (Page 527)

The Printed Barcode Cannot be Scanned
94LS-0JF
Troubleshoot by checking in the following order:
Are You Using a Very Small Barcode or One With Thick Lines?
● Enlarge the barcode.
● If the barcode lines are perpendicular to the output feed direction, rotate the image 90° so that the lines are
parallel.
Try using Barcode Adjustment Mode
Setting [Barcode Adjustment Mode] to [Mode 1] in the printer driver may solve the problem. If that does not
work, try selecting [Mode 2] and then [Mode 3] in sequence.
● Specify the settings below in the [Printing preferences] screen of the printer driver.
[Finishing] tab [Advanced Settings] [Barcode Adjustment Mode] select the mode
* When this setting is enabled, the print density may decrease.
● If setting [Barcode Adjustment Mode] to [Mode 3] does not work, changing the [Printer Density] may solve
the problem. [Printer Density](P. 408)
Troubleshooting
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