• Code: SC782
• Description: Z-Fold upper stopper motor Japan Only. The upper stopper motor does not attain the prescribed speed within the specified time.
• Remedy: • Upper stopper motor disconnected, defective • Upper stopper motor overloaded due to obstruction • Upper stopper HP sensor disconnected, defective

• Code: SC790
• Description: Finisher staple waste hopper full. The staple waste hopper is full of cut staples.
• Remedy: • If the hopper is full, empty the hopper • If the hopper is not full, the hopper full sensor is disconnected, defective

• Code: SC817
• Description: Boot loader error. The boot loader cannot read one of the following: self-diagnostic module, kernel, or one of the files of the root file system, or the check of one of these items on the system SD card failed.
• Remedy: • File or module on the system SD card is corrupted • File or module on the system SD card is illegal • Make sure that the system SD card is the one designed for the machine • Replace system ROM on the controller board

• Code: SC818
• Description: Watchdog error. While the system program is running, a bus hold or interrupt program goes into an endless loop, preventing any other programs from executing.
• Remedy: • System program defective; switch OFF/ON, or change the controller firmware if the problem cannot be solved • Controller board defective • Controller option malfunction

• Code: SC819
• Description: Fatal kernel error. Due to a control error, a RAM overflow occurred during system processing. One of the following messages was dis
• Remedy: • System program defective • Controller board defective • Optional board defective • Replace controller firmware
  0x696e init died 0x766d vm_pageout: Virtual Memory is full 4361 Cache Error NOTE: For more details about this SC code error, execute SP5990 to print an SMC report so you can read the error code. The error code is not displayed on the operation panel.

• Code: SC821-0B00
• Description: Self-diagnostic error 2: ASIC
  Error code 0xffff ffff is returned when the register Write & Verify check is executed on the ASIC mounted on the controller board. The ASIC controls the ROM and buses for other devices
• Remedy: • ASIC (controller board defective) NOTE: For more details about this SC code error, execute SP5990 to print an SMC report so you can read the error code. The error code is not displayed on the operation panel

• Code: SC821-0B06
• Description: Self-diagnostic error 2: ASIC
  ASIC not detected
• Remedy: • ASIC (controller board defective) • Poor connection between North Bridge and PCI I/F: Replace controller board NOTE: For more details about this SC code error, execute SP5990 to print an SMC report so you can read the error code. The error code is not displayed on the operation panel

• Code: SC821-0B10
• Description: Self-diagnostic error 2: ASIC
  Failed to initialize or could not read connection bus. Data in SHM register incorrect.
• Remedy: • Replace controller board NOTE: For more details about this SC code error, execute SP5990 to print an SMC report so you can read the error code. The error code is not displayed on the operation panel