Description: The receiving fax machine did not answer or the line is already engaged.
Remedy: Try again after a few minutes.
Code: 18
Display: [Line Error]
Description: Your machine cannot connect with the receiving fax machine or has lost contact because of a problem with the phone line.
Remedy: Try again. If the problem persists, wait an hour or so for the line to clear and try again. Or, turn the ECM mode on.
Code: 19
Display: Low Heat Error Cycle Power
Description: There is a problem in the fuser uni t.
Remedy: Unplug the power cord and plug it back in. If the problem persists, Replace to the Fuser Unit
Code: 20
Display: LSU Motor Error Cycle Power
Description: A problem has occurred in the LSU (Laser Scanning Unit).
Remedy: Unplug the power cord and plug it back inches. If the problem persists, Replace to the Fuser Unit
Code: 21
Display: LSU Hsync Error Cycle Power
Description: A problem has occurred in the LSU (Laser Scanning Unit).
Remedy: Unplug the power cord and plug it back inches. If the problem persists, Replace to the Fuser Unit
Code: 22
Display: Main Motor Locked
Description: There is a problem in the main motor.
Remedy: Open and then close the front cover.
Code: 23
Display: Mail Exceeds Server Support
Description: The mail size is larger than the supported size by SMTP server.
Remedy: Divide your mail or reduce the resolution.
Code: 24
Display: Memory Full
Description: The memory is full.
Remedy: Delete unnecessary fax jobs and retransmit after more memory becomes available. Alternatively, split the transmission into more than one operation.