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Confidential
■ Error code C9
Defective DIMM is installed.
<User Check>
- Replace the DIMM.
■ Error code CA
USB device overcurrent error.
<User Check>
- Remove the USB device from the USB direct interface and turn OFF the power. After a
while, turn ON the power again.
- Replace the USB device with another one.
■ Error code CB
The belt unit is not installed.
<User Check>
- Check if the belt unit is installed into the printer.
DIMM Error
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Unusable Device
Remove the Device. Turn the power off and back on again.
Step Cause Remedy
1 USB host relay PCB ASSY
failure
Replace the USB host relay PCB ASSY.
2 Main PCB failure Replace the main PCB ASSY.
No Belt Unit
Open the Front Cover, pull out the Drum Unit completely and install the
Belt Unit.
Step Cause Remedy
1 Harness connection failure of
registration mark sensor holder
ASSY
Check the harness connection of the
registration mark sensor holder ASSY and
reconnect it.
2 Density sensor failure Replace the registration mark sensor
holder ASSY.
3 Main PCB failure Replace the main PCB ASSY.
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