• Code: SC80-01
• Description: Initial communication error between OACB/PRCB. When the main power switch (SW1) is turned ON, a response from the printer control board (PRCB) is not received even after a specified period of time elapses.
• Causes: Printer control board (PRCB) Overall control board (OACB) Loose connection

• Code: SC80-02
• Description: Communication error between OACB/PRCB.
• Causes: Printer control board (PRCB) Overall control board (OACB) Loose connection

• Code: SC80-03
• Description: Communication error between OACB/OB1.
• Causes: Overall control board (OACB) Operation board /1 (OB1) Loose connection

• Code: SC80-11
• Description: When the main power switch (SW1) is ON, a region into which no write was made by the ISW is detected in the printer control program.
• Causes: S and CA program

• Code: SC80-21
• Description: When the main power switch (SW1) is ON, a region into which no write was made by the ISW is detected in the IC-203 program.
• Causes: IC-203 program

• Code: SC80-30
• Description: While in the data transmission by the ISW, a formal header information cannot be received within a specified period of time.
• Causes: Printer cable Parallel port on PC

• Code: SC80-31
• Description: While in the data transmission by the ISW, a checksum error or header error is detected with the download data.
• Causes: Printer cable Program file corruption

• Code: SC80-32
• Description: When ISW transfers data, the data is not written into the flash ROM correctly.
• Causes: Printer cable The board to which the data is transferred.