Brother MFC-9010CN - Page 115

3-23
Confidential
■ Error code 44 (K), 45 (Y), 46 (M), 47 (C)
Toner cartridge is not installed into the machine.
(Non-installation is detected by the toner sensor.)
<User Check>
- Install the toner cartridge of the appropriate color.
■ Error code 48 (K), 49 (Y), 4A (M), 4B (C)
Drum unit is at the end of life. (The drum counter value reaches the end of life.)
* When all four colors reach the end of life at the same time.
<User Check>
- Replace the drum unit of the appropriate color with a new one.
- After replacing the drum unit with a new one, reset the counter using the control panel cover ASSY
on the machine. (Refer to
“2.1.3 Resetting the life counter of the drum unit” in Chapter 7. )
No Toner
Open the Top Cover, then install Toner Cartridge. Black (K)
No Toner
Open the Top Cover, then install Toner Cartridge. Yellow (Y)
No Toner
Open the Top Cover, then install Toner Cartridge. Magenta (M)
No Toner
Open the Top Cover, then install Toner Cartridge. Cyan (C)
Step Cause Remedy
1 Harness connection failure of
toner/new sensor PCB ASSY
Check the harness connection of the
toner/new sensor PCB ASSY and
reconnect it.
2 Engine PCB failure Replace the engine PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.
4 Toner/new sensor PCB failure Replace the toner/new sensor PCB ASSY.
Replace Drum (K)
Replace Drum (Y)
Replace Drum (M)
Replace Drum (C)
Replace Drums