• Code: E5F9-0002
• Description: The inlet cover switch (MS1S) is faulty. The front cover switch (MS2S) is faulty. The delivery cover switch (MS3S) is faulty. The saddle stitch controller PCB is faulty.
  When the inlet cover, front cover, and delivery cover are found to be closed, the front cover switch detects an open condition for 1 sec or more after the start of the initial rotation of the host machine or the start of printing.

• Code: E5F9-0003
• Description: The inlet cover switch (MS1S) is faulty. The front cover switch (MS2S) is faulty. The delivery cover switch (MS3S) is faulty. The saddle stitch controller PCB is faulty.
  When the inlet cover, front cover, and delivery cover are found to be closed, the delivery cover switch detects an open condition for 1 sec or more from the start of the initial rotation of the host machine or the start of printing.

• Code: E601-0000
• Description: The wiring is faulty (short circuit, open circuit). The hard disk drive is faulty. The DC controller PCB is faulty. The main controller PCB is faulty.
  The main controller PCB has detected an error in control data while an image was transmitted between the main controller PCB and the hard disk drive.

• Code: E601-0001
• Description: The wiring is faulty (short circuit, open circuit). The hard disk drive is faulty. The DC controller PCB is faulty. The main controller PCB is faulty.
  The main controller PCB has found an error in the control data in transfer of images between main controller PCB and the DC controller PCB.

• Code: E602-0001
• Description: The wiring is faulty (short circuit, open circuit). The hard disk drive is faulty. The main controller PCB is faulty.
  A mount error was detected when the hard disk was started up from the boot ROM.

• Code: E602-0002
• Description: The wiring is faulty (short circuit, open circuit). The hard disk drive is faulty. The main controller PCB is faulty.
  A data read error (from the hard disk) was detected when the hard disk was started from the boot ROM.

• Code: E602-0003
• Description: The wiring is faulty (short circuit, open circuit). The hard disk drive is faulty. The main controller PCB is faulty.
  A a sector error is found on the hard disk.

• Code: E602-0004
• Description: The wiring is faulty (short circuit, open circuit). The hard disk drive is faulty. The main controller PCB is faulty.
  A an error is found in the read/write address for the hard disk.