warning HP

Error Code Fax delayed – Send memory full

Memory is full while sending a fax.

? What Causes This

Insufficient available memory during transmission.

How to Fix It

  1. Cancel the current fax job.
  2. Divide large faxes and resend in sections if necessary.
  3. Clear existing stored faxes from memory.

Source: page 135 of the official manual

From the manual

Manual page 135 — HP error Fax delayed – Send memory full

This error code appears in:

HP Laserjet M1500 Multifunction Printer