• Code: D5
• Description: The MODEM fails to complete the command transmission sequence.

• Code: D6
• Description: No MODEM interrupt for 60 seconds.

• Code: E1
• Description: Microprocessor (MPU) error on the control panel PCB.

• Code: E4
• Description: Out of recording paper.

• Code: E5
• Description: Recording paper set error.

• Code: E6
• Description: Write error in E2PROM.

• Code: E8
• Description: Data scanning error during transmission.

• Code: EA
• Description: Document removed at phase B.