⚠
warning HP
Error Code E27
Error during transmission or reception of a fax.
? What Causes This
Poor connection quality or data corruption.
✓ How to Fix It
Check and improve the phone line condition or retry the operation. Consider turning on ECM (Error Correction Mode) if not already enabled.
Source: page 54 of the official manual
From the manual
This error code appears in:
HP Officejet 3833 All IN One Printer