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error HP
Error Code Comm. error
A fax communication error occurred between the product and the sender or receiver.
? What Causes This
Issues with telephone line, faulty cord, or incorrect settings.
✓ How to Fix It
- Retry sending the fax.
- Unplug phone, use another phone to test line.
- Replace telephone cords/correct connector usage.
Source: page 135 of the official manual
From the manual
This error code appears in:
HP Laserjet M1500 Multifunction Printer