드럼 유닛 특정 코드 리스트
ㆍError Code1546: Drum temperature sensor error.
ㆍError Code 2250200: Image drum hardware error ADC.
ㆍError Code 2250201: Image drum hardware error temperature.
ㆍError Code 2250202: Image drum hardware error 40V.
ㆍError Code 2250203: Image drum hardware error integrator.
ㆍError Code 2250204: Image drum hardware error SPI interface.
ㆍError Code 2250205: Image drum hardware error array interface.
ㆍError Code 2250206: Image drum tracks error.
ㆍError Code 2250212: Image drum command link time out
