Engine Controller Mode - Brother HL-3450CN Service Manual

CHAPTER 8 TROUBLESHOOTING
Status Display
ERROR EH4
WARNING
ERROR EL1
WARNING
ERROR EL2
WARNING
ERROR ELL
WARNING
ERROR EP1
WARNING
ERROR EP3
WARNING
ERROR EP4
WARNING
ERROR EP5
WARNING
ERROR EP6
WARNING
NOTE:
For further actions for the error messages described in Table 8-8, refer to the flow charts
later in this section.
4.2

Engine Controller Mode

Code
C3
C4
EC7
D1
D2
D3
D4
D5
D6
Fuser temperature 4 error
Beam detector error
Scanner motor error
Laser power error
Duplex controller hardware error
Feeder pass select solenoid error
Duplex motor error
Outer pass select solenoid error
Optional fan error
Table 8-9
NVRAM error (MCTL PWB)
Engine controller MCTL PWB hardware error
Process timing clock error (Main motor clock error)
Clutch error of the yellow developing unit
Clutch error of the magenta developing unit
Clutch error of the cyan developing unit
Clutch error of the black developing unit
HPSI signal error (Retract error of black and yellow toner cartridge)
HPSI signal error (Retract error of cyan and magenta toner cartridge)
8-18
Description
Description