Code :

Code: E748-2025
Description: Main Controller PCB 2 access error. Disconnection of the Bypass PCB was detected.
Remedy: Remove and then install the Bypass PCB.

Code: E748-2026
Description: Main Controller PCB 2 access error. Disconnection of the Image Processing Sub PCB was detected.
Remedy: Remove and then install the Image Processing Sub PCB.

Code: E749-0006
Description: Restart direction due to configuration change. The option such as the Finisher and Paper Deck was installed or removed when all of following conditions were met and the machine configuration is changed when the main power switch is turned ON. • Settings/Registration > Preferences > Timer/Energy Settings > Quick Startup at Power-on > ON • The Main Power Switch is turned OFF • The power plug of the machine is connected to the output. • The breaker is ON
Remedy: It is recovered by turning OFF and then ON the main power. CAUTION This machine provides power to some PCBs even when in the main power OFF status. The power supply is not completely OFF by just turning OFF the main power switch and therefore, the machine is unable to detect a configuration change. When disconnecting and then connecting a connector, always disconnect the power plug or turn the breaker OFF. Refer to the Service Manual > Chapter 2 > External and Controls > Quick Startup for details.

Code: E753-0001
Description: Error in Finisher Boot software. The Boot software has not been written in ROM of the finisher controller.
Remedy: 1. The finisher controller PCB is faulty. 2. The host machine controller PCB is faulty.