Brother DCP-L5500D, Руководство по обслуживанию

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Error code 6A00
Detected discharge that may be attributable to dirty corona wire on the drum unit.
 Error code 6D00
Detected more LTs than connectible limit.
 Error code 6F00
Detected irregular power supply for less than 100 times.
<User Check>
• Slide the green tab of the drum unit to left and right for two to three times to clean the
corona wire.
• Clean the electrode of the drum unit.
• Replace the drum unit.
Step Cause Remedy
1
Dirt on the high-voltage power
supply PCB terminal Clean the electrodes of the machine.
(Refer to
Fig. 2-9 .)
2
High-voltage power supply PCB
attachment failure Check if each electrode comes back smoothly
after pressing it. If not, reattach each electrode.
3
High-voltage power supply PCB
failure Replace the high-voltage power supply PCB
ASSY.
4 Main PCB failure Replace the main PCB ASSY.
<User Check>
• Reduce LTs to acceptable numbers.
• Reconnect LTs.
Step Cause Remedy
1
Dust around the LT/TT
connector Clean the LT/TT connector.
2
Malfunction of the LT control
PCB Install the latest main firmware.
3
Machine or LT/TT connector
failure Replace the machine or LT/TT connector.
4 LT control PCB failure Replace a LT control PCB ASSY.
5 Main PCB failure Replace the main PCB ASSY.
<User Check>
• Turn the power switch OFF and then back ON again.
• Use a noise filter on the power supply.
• Install a voltage stabilizer to the power supply unit.