Memory Related Failure; Printing Related Failure; The Usb Interface Does Not Work - Brother MFC-9130CW Service Manual

4.14.7 Memory related failure

Step
1

4.14.8 Printing related failure

<User Check>
- Check if the maximum number of pages that can be printed is exceeded.
Step
1

4.14.9 The USB interface does not work

<User Check>
- Check if the data is supported device.
- Replace the device and check if the interface works.
- Reduce the data in the USB flash memory.
Step
1
2
3
Cause
Main PCB failure
Cause
Main PCB failure
Cause
USB host PCB harness
connection failure
USB host PCB failure
Main PCB failure
Replace the main PCB ASSY.
Replace the main PCB ASSY.
Check the harness connection of the USB
host PCB and reconnect it.
Replace the USB host PCB ASSY.
Replace the main PCB ASSY.
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Remedy
Remedy
Remedy
Confidential