Turn off the main power switch and disconnect the power cord before you start any of the procedures in this section (General Cautions
).
Related topics
Controller BoxPSU
Controller Board
NVRAM on the Controller Board
BCU
EEPROM on the BCU
Toner End Sensor
HVPS
HVPS with Bracket
PCDU Cooling Fan
PCDU Cooling Fan with Duct
PSU Cooling Fan
DC Switch
Front Cover Interlock Switch
Front Cover Interlock Switch with Bracket
Rear Cover Interlock Switch
DIMM
Temp Humid Sensor
Envelope Lever Detection Switch