Brother MFC-8510DN, Service Manual

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Confidential
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Error code 8C00
The registration front sensor does not detect paper pass within the specified time after the
paper was picked up from the MP tray.
„ Error code 8D00
When the power switch was turned ON, the eject sensor detected paper pass or detected
that the fuser cover was open.
„
Error codes 8E00 and 8F00
These errors do not usually occur during normal use. The possible causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
An unidentified error occurred.
Jam MP Tray
Remove the jammed paper from Multi Purpose Tray and press Start.
<User Check>
• Remove the paper jammed in the MP tray.
Step Cause Remedy
1 Foreign object in the MP tray Remove the foreign object.
2
Registration front actuator caught
in some sections of the machine Reattach the registration front actuator.
3
Connection failure of the
registration front/rear sensor
harness Check the connection of the registration front/
rear sensor PCB harness, and reconnect it if
necessary.
4
Abrasion of the MP paper pick-
up roller Replace the MP paper feeding kit.
5
Registration front sensor failure Refer to "1.3.10 Check sensor operation (function
code: 32)" in Chapter 5 to check the sensor
operation. If the sensor operation is faulty, replace
the registration front/rear sensor PCB ASSY.
6 Main PCB failure Replace the main PCB ASSY.
Cover is Open
Make sure there is no paper jammed inside the machine and close the Back Cover,
then press Start.
<User Check>
• Close the fuser cover.
• Remove the paper jammed in the fuser cover.
Step Cause Remedy
1
Eject actuator caught in some
sections of the machine Reattach the eject actuator.
2 Eject actuator failure Replace the fuser cover.
3
Eject sensor failure Refer to "1.3.10 Check sensor operation
(function code: 32)" in Chapter 5 to check the
sensor operation. If the sensor operation is
faulty, replace the eject sensor PCB ASSY.
4 Main PCB failure Replace the main PCB ASSY.
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Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.