• Code: 46
• Description: The number of performed purge sequences has reached the limit.

• Code: 4B
• Description: Abnormal carriage travel speed detected when the power was applied.

• Code: 4C
• Description: Head rated voltage data stored in the EEPROM on the head PCB is invalid. (This code may appear only in the maintenance mode.)

• Code: 50
• Description: The purge cam HP switch does not come ON even after the purge cam has been driven by the specified number of
  pulses.

• Code: 51
• Description: The purge cam HP switch does not go OFF even after the purge cam has been driven by the specified number of
  pulses.

• Code: 52
• Description: At the time of purge operation, the carriage has not stopped in the purge position.

• Code: 53
• Description: The purge cam HP switch has come ON when the carriage was in the wipe position.

• Code: 54
• Description: When reset, the purge cam HP switch does not come ON even after the purge cam has been driven by the specified
  number of pulses.