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Brother HL-4050CDN - Page 50

Brother HL-4050CDN
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Confidential
1-33
Error code C8
Out of Memory
Secure Print Data is full. Press Cancel and delete the previously
stored data.
RAM area for secure data full
User Check
- Delete the stored data.
Step Cause
Remedy
1 Main PCB failure Replace the Main PCB ASSY.
Error code CA
Unusable Device
Remove the Device. Turn the power off and back on again.
Excess current to USB device
User Check
- Remove the USB device from the USB direct interface and turn the power off. Turn it on
again after a while.
- Replace the USB memory with other one.
Step Cause
Remedy
1 Harness connection failure of
USB host relay PCB ASSY
Check the harness connection of the USB host
relay PCB ASSY and reconnect it.
2 USB host relay PCB failure Replace the USB host relay PCB ASSY.
3 Main PCB failure Replace the Main PCB ASSY.
Error code CB
No Belt Unit
Open the Front Cover, pull out the Drum Unit completely and install
the Belt Unit.
Belt unit is not installed into the machine.
User Check
- Check if the belt unit is installed into the machine.
Step Cause
Remedy
1 Harness connection failure of
density sensor holder ASSY
Check the harness connection of the density
sensor holder ASSY and reconnect it.
2 Density sensor failure Replace the density sensor holder ASSY.
3 Transfer HVPS PCB unit
failure
Replace the transfer HVPS PCB unit.
4 Engine PCB failure Replace the engine PCB ASSY.

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