• Code: E730-100A
• Description: Printer service call
• Causes: Printer service call
• Remedy: - Turn OFF and then ON the power. - Replace the Main Controller PCB.

• Code: E730-C000
• Description: Printer service call
• Causes: An error, such as failure in memory retrieval at initialization, occurred.
• Remedy: - Turn OFF and then ON the power. - Replace the Main Controller PCB.

• Code: E730-C001
• Description: Printer service call
• Causes: An error occurred when accessing the flash memory
• Remedy: - Turn OFF and then ON the power. - Replace the Main Controller PCB.

• Code: E730-D000
• Description: Printer service call
• Causes: An error, such as failure in memory retrieval at initialization, occurred.
• Remedy: - Turn OFF and then ON the power. - Replace the Main Controller PCB.

• Code: E730-D001
• Description: Printer service call
• Causes: Printer communication error (communication error at initial communication and negotiation packet error)
• Remedy: - Turn OFF and then ON the power. - Replace the Main Controller PCB.

• Code: E733-0000
• Description: Printer communication error
• Causes: Printer communication error (communication error at initial communication and negotiation packet error)
• Remedy: - Turn OFF and then ON the power. - Replace the Engine Controller PCB.

• Code: E733-0001
• Description: Printer communication error
• Causes: Printer communication error (communication error after establishment of communication and parity error)
• Remedy: - Turn OFF and then ON the power. - Replace the Engine Controller PCB.

• Code: E733-0004
• Description: Printer communication error
• Causes: Printer communication error (undefined command error)
• Remedy: - Turn OFF and then ON the power. - Replace the Engine Controller PCB.