Code :

Code: SC50-01
Description: I/O initial communication check in the printer control board (PRCB). Main body drive serial input abnormality 1. Within a specified period of time after the power ON ACK, a serial data is not received from the main body drive unit.
Causes: Printer control board (PRCB)

Code: SC50-02
Description: Main body drive serial input abnormality 2. Within a specified period of time after the power ON ACK, a serial data is not received from the main body drive unit.
Causes: Printer control board (PRCB)

Code: SC50-03
Description: Main body drive serial input abnormality 3. Within a specified period of time after the power ON ACK, a serial data is not received from the main body drive unit.
Causes: Printer control board (PRCB)

Code: SC50-04
Description: Main body drive serial input abnormality 4. Within a specified period of time after the power ON ACK, a serial data is not received from the main body drive unit.
Causes: Printer control board (PRCB)

Code: SC50-05
Description: Communication error check between the printer engine system boards. Drive communication reception error detection abnormality. A reception error interruption occurs while in the drive board serial data reception. Or, due to the occurrence of the data checksum error /ID information error, a retransmission request is made three times and an error is detected on the 4th time.
Causes: Printer control board (PRCB) Each of the drive boards Loose connection

Code: SC50-10
Description: Initial communication check between OACB/PRCB. Overall control board (OACB) communication connection abnormality. An initial data reception is not made from the OACB within a specified period of time after the power is turned on.
Causes: Printer control board (PRCB) Overall control board (OACB) Loose connection

Code: SC50-11
Description: Communication error check between OACB/PRCB. Overall control board (OACB) communication serial reception error detection abnormality.
Causes: Printer control board (PRCB) Overall control board (OACB) Loose connection

Code: SC52-01
Description: The rotation of the cooling fan /1 (FM3) and /2 (FM4) are checked and +24V power source is also checked. An abnormal condition occurs with the FM3 and FM4 EM signal a specified period of time after FM3 and FM4 turns ON. This abnormal condition recurs even a specified period of time after FM3 and FM4 are turned OFF and then turned ON, and an error detection signal (24V cut off) is detected.
Causes: AC drive board (ACDB) Cooling fan /1 (FM3) Cooling fan /2 (FM4) DC power supply /2 (DCPS2)