Memory Failure; Print Failure; Paper Size Failure; Main Motor Failure - Brother HL-1110 Service Manual

4.7.4 Memory failure

<User Check>
- Print the print data stored in the memory.
- Reduce the complexity or resolution of the data.
- Divide the data and print them separately.
Step
1 Main PCB failure

4.7.5 Print failure

<User Check>
- Check that the maximum printable page number has not been exceeded.
- Turn the power switch OFF and then back ON again.
Step
1 Main PCB failure

4.7.6 Paper size failure

<User Check>
- Set A4 or letter size paper in the paper tray.
Step
1 Paper feed actuator L/R coming off Reattach the paper feed actuator L/R.
Connection failure of the paper
2 feed/paper printing position sensor
PCB harness
Paper feed sensor failure
3
4 Main PCB failure

4.7.7 Main motor failure

Step
Connection failure of the main
1
motor harness
Connection failure of the motor
2
encoder PCB flat cable
3 Motor encoder PCB failure
4 Main PCB failure

4.7.8 Power supply voltage failure

Step
Low voltage power supply PCB
failure
1
Cause
Replace the main PCB ASSY.
Cause
Replace the main PCB ASSY.
Cause
Reconnect the paper feed/paper printing
position sensor PCB harness.
Replace the paper feed/paper printing
position sensor PCB ASSY.
Replace the main PCB ASSY.
Cause
Reconnect the main motor harness.
Reconnect the motor encoder PCB flat
cable.
Replace the motor encoder PCB ASSY.
Replace the main PCB ASSY.
Cause
Replace the low voltage power supply PCB
unit. Refer to the
LOW VOLTAGE POWER SUPPLY PCB
UNIT" in Chapter 3
power supply detection counter.
1-34
Remedy
Remedy
Remedy
Remedy
Remedy
"3. IF YOU REPLACE THE
to reset the irregular
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