Receive Buffer Full During Receiving Into Memory; Troubleshooting For Other Problems; Cannot Make Print; Problem Of Usb Direct Interface - Brother DCP-L8400CDN Service Manual

4.13.5 Receive buffer full during receiving into memory

< User Check >
- Print the print data stored in the memory.
- Divide the print data and print it.
Step
1

4.14 Troubleshooting for Other Problems

4.14.1 Cannot make print

< User Check >
- Turn the power OFF/ON.
- Properly insert the USB cable.
- Properly insert the LAN cable.
- Check if the maximum number of pages that can be printed is exceeded.
- Check if PC-print is not prohibited.
- Check the print restricted ID.
- Check if print data is not damaged.
Step
1
2
3
4

4.14.2 Problem of USB direct interface

< User Check >
- Replace the USB flash memory.
- Check if the extension of the data in the USB flash memory is correct.
Step
1
2
3
Cause
Main PCB failure
Cause
Forgot the print restricted ID
Connection failure of the
wireless LAN harness ASSY
Wireless LAN PCB failure
Main PCB failure
Cause
Connection failure of the USB
host relay PCB harness
USB host PCB failure
Main PCB failure
Replace the main PCB ASSY.
Clear the old ID and get a new ID by
Function code 01.
Reconnect the wireless LAN harness ASSY.
Replace the wireless LAN PCB ASSY.
Replace the main PCB ASSY.
Reconnect the USB host relay PCB harness.
Replace the USB host PCB ASSY.
Replace the main PCB ASSY.
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Remedy
Remedy
Remedy
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