Brand: Canon
Category: Printer
Document Type: Manual
Language: EN
Brand: Canon
Category: Printer
Document Type: Manual
Language: EN
Uploaded: April 20, 2026, 8:09 p.m.
Manual Publish Date: 2004-01-01
This manual contains legal and license information but no specific warranty details.
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| Error Code | Cause | What to Do |
|---|---|---|
| 6937 | Printer error has occurred. | Turn off the machine and unplug it. Plug in the machine again and turn it back on. If this does not solve the problem, contact your nearest Canon service center to request a repair. |
| 6938 | Printer error has occurred. | Turn off the machine and unplug it. Plug in the machine again and turn it back on. If this does not solve the problem, contact your nearest Canon service center to request a repair. |
| 6940 | Printer error has occurred. | Turn off the machine and unplug it. Plug in the machine again and turn it back on. If this does not solve the problem, contact your nearest Canon service center to request a repair. |
| 6941 | Printer error has occurred. | Turn off the machine and unplug it. Plug in the machine again and turn it back on. If this does not solve the problem, contact your nearest Canon service center to request a repair. |
| 6942 | Printer error has occurred. | Turn off the machine and unplug it. Plug in the machine again and turn it back on. If this does not solve the problem, contact your nearest Canon service center to request a repair. |
| 6943 | Printer error has occurred. | Turn off the machine and unplug it. Plug in the machine again and turn it back on. If this does not solve the problem, contact your nearest Canon service center to request a repair. |
| 6944 | Printer error has occurred. | Turn off the machine and unplug it. Plug in the machine again and turn it back on. If this does not solve the problem, contact your nearest Canon service center to request a repair. |
| 6945 | Printer error has occurred. | Turn off the machine and unplug it. Plug in the machine again and turn it back on. If this does not solve the problem, contact your nearest Canon service center to request a repair. |
| 6946 | Printer error has occurred. | Turn off the machine and unplug it. Plug in the machine again and turn it back on. If this does not solve the problem, contact your nearest Canon service center to request a repair. |
| B202 | An error requiring a repair has occurred. | Turn off the machine and unplug it. Contact your nearest Canon service center to request a repair. |
| B203 | An error requiring a repair has occurred. | Turn off the machine and unplug it. Contact your nearest Canon service center to request a repair. |
| B204 | An error requiring a repair has occurred. | Turn off the machine and unplug it. Contact your nearest Canon service center to request a repair. |
| B205 | An error requiring a repair has occurred. | Turn off the machine and unplug it. Contact your nearest Canon service center to request a repair. |