Brother HL-4140CN Service Manual page 76

■ Error code 64 C
(
Ready
K Y M C
Error code 65 M
(
Ready
K Y M C
Error code 66 Y
( )
Ready
K Y M C
Error code 67 K
(
Ready
K Y M C
Each toner cartridge will reach the end of life soon.
<User Check>
- Gently shake the toner cartridge of the appropriate color from side to side and install it again.
- Replace the toner cartridge of the appropriate color.
Step
1 Toner/New sensor PCB ASSY
failure (Toner empty)
2 Engine PCB failure
3 Main PCB failure
■ Error code 68
Print Unalbe 68
Turn the power off and then back on again.
Fuser unit error. (The temperature rise is detected even after the halogen heater is turned
OFF.)
Error code 69
Print Unalbe 69
Turn the power off and then back on again.
Fuser unit error. (The connector of the center thermistor is inserted incorrectly.)
This error does not usually occur in the normal use. The conceivable causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
<User Check>
- Turn OFF the power switch, and turn it ON again after a while.
Step
1 Main PCB failure
)
)
)
Cause
Cause
2-45
: Lighting, : Blinking
Remedy
Replace the Toner/New sensor PCB
ASSY.
Replace the engine PCB ASSY.
Replace the main PCB ASSY.
Remedy
Replace the main PCB ASSY.
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