Brother DCP-L8400DN Service Manual

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■ Error code D800
Error occurred during touch panel initialization.
Error code D900
Communication between the panel PCB and main PCB is unavailable during touch panel
initialization.
Error code DA00
After the initialization of the panel PCB, no response was sent from the panel PCB for a period
of time.
Error code DB00
USB communication between the main PCB and panel PCB is unavailable.
Touchscreen initialization failed
Remove any material which is on the touchscreen.
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Print Unable DB
Turn the power off and then back on again.
Step Cause Remedy
1 The version of the panel
firmware and the main firmware
do not match
Install the latest panel firmware and main
firmware.
2 Connection failure of the panel
PCB harness
Reconnect the panel PCB harness.
3 Connection failure of the touch
panel flat cable
Reconnect the touch panel flat cable.
4 Connection failure of the Key
PCB flat cable
Reconnect the key PCB flat cable.
5 Panel PCB failure Replace the panel PCB unit.
6 Touch panel ASSY failure Replace the touch panel ASSY.
7 Key PCB failure Replace the panel cover ASSY.
8 Main PCB failure Replace the main PCB ASSY.

Brother DCP-L8400DN Specifications

General

Brand	Brother
Model	DCP-L8400DN
Category	All in One Printer
Language	English