C-0004 (C14000/C12000)

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Code

C-0004

Classification

Main body: Communication abnormality

Cause

Communication error between the printer control board (PRCB) and the printer expansion board (EXNCB).

Measures to take when an alert occurs

The main body and the option stop immediately.

Estimated abnormal parts

  • Printer expansion board (EXNCB)
  • Printer control board (PRCB)

Correction

Deactivate and activate the sub power switch (SW2) of the main body.

Note

  • The message “Please turn on power again” is displayed on the touch panel.

Solution

  1. Prior check
    • On [Service Mode] [Firmware Version] [Firmware Version], make sure that the version of [Printer Sub CPU D4] is displayed.
  2. Check the connector connection between PRCB and EXNCB, CN162 of PRCB, CN289 and CN290 of EXNCB, and the wiring. Then, repair it when there is any abnormality.
  3. Replace EXNCB. (Part# AC0CH07001)
  4. Replace PRCB. (Part# AC0CH03001)

Faulty part isolation DIPSW

Control during the detachment

K.2.5.2 (Link to the Field Service Manual)