Brother HL-3400CN Series - Manual (Page 225)

CHAPTER 6 TROUBLESHOOTING
6–7
Service Call Message Meaning Action
88 WARNING D3 C switching clutch error Turn off the printer. Wait a
few seconds, then turn it on
again.
88 WARNING D4 K switching clutch error Turn off the printer. Wait a
few seconds, then turn it on
again.
88 WARNING D5 K,Y switching solenoid error Turn off the printer. Wait a
few seconds, then turn it on
again.
88 WARNING D6 C, M switching solenoid error Turn off the printer. Wait a
few seconds, then turn it on
again.
88 WARNING E1 Developing motor error Turn off the printer. Wait a
few seconds, then turn it on
again.
88 WARNING E2 Main motor error Turn off the printer. Wait a
few seconds, then turn it on
again.
88 WARNING E3 Drum error Turn off the printer. Wait a
few seconds, then turn it on
again.
88 WARNING E4 Toner empty sensor error Turn off the printer. Wait a
few seconds, then turn it on
again.
88 WARNING E5 Transfer Roller solenoid error Turn off the printer. Wait a
few seconds, then turn it on
again.
88 WARNING E6 Drum cleaning solenoid error Turn off the printer. Wait a
few seconds, then turn it on
again.
88 WARNING E7 Drum cleaning clutch error Turn off the printer. Wait a
few seconds, then turn it on
again.
88 WARNING E8 Fusing Unit clutch error Turn off the printer. Wait a
few seconds, then turn it on
again.
88 WARNING E9 Belt marker sensor error Turn off the printer. Wait a
few seconds, then turn it on
again.
88 WARNING EL Erase LED error Turn off the printer. Wait a
few seconds, then turn it on
again.
88 WARNING F0 Cooling fan error Turn off the printer. Wait a
few seconds, then turn it on
again.