06-10-2026
04:09 PM
- last edited on
06-11-2026
08:53 AM
by
James_C
I reloaded paper tray in my Pixma 6420 and got error code 7700. Message said to turn off printer and contact customer service. ????? LindaMI
06-10-2026 04:39 PM
The Canon Pixma TS6420 Error Code 7700 typically signifies an issue with the print head or an internal hardware malfunction. This error can arise from several factors, including:
To resolve Error Code 7700, follow these steps:
05/13/2026: New firmware updates are available.
EOS R5 Mark II - Version 1.3.0
EOS R6 Mark II - Version 1.7.0
03/17/2026: New firmware updates are available.
SELPHY CP1500 - Version 1.0.7.0
01/20/2026: New firmware updates are available.
10/15/2025: New firmware updates are available.
Speedlite EL-5 - Version 1.2.0
Speedlite EL-1 - Version 1.1.0
Speedlite Transmitter ST-E10 - Version 1.2.0
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