Brother DCP-7090, Руководство по обслуживанию

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
Error code 6A00
Electric discharge that may be caused by dirt on the corona wire of the drum unit was detected.
<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. (Refer to Fig. 2-13 (P2-56).)
• Replace the drum unit.
 Error code 6F00
Detected that supply power is unstable. (less than 100 times)
<User Check>
• Turn the power switch OFF and then back ON again.
• Use a noise filter on the power supply.
 Error code 7000
After the registration rear sensor detects paper pass, the eject sensor does not detect paper pass.
<User Check>
• Remove the jammed paper.
Step Cause Remedy
1
Dirt on the electrodes of the
machine Clean the electrodes of the machine.
(Refer to Fig. 2-12 (P2-56).)
2
Dirt on the high-voltage power
supply PCB terminal Clean the high-voltage power supply PCB
terminal.
3
High-voltage power supply PCB
failure Replace the high-voltage power supply
PCB ASSY.
4 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
The power supply waveform is
incorrect Install a voltage stabilizer in the power
supply part.
Step Cause Remedy
1
Foreign object inside the machine
Remove the foreign object.
2
Eject actuator coming off or caught
in some sections of the machine Reattach the eject actuator.
3 Fuser cover attachment failure Reattach the fuser cover.
4
Connection failure of the eject
sensor PCB harness Reconnect the eject sensor PCB harness.
5
Damaged fuser drive gear 64R/
36R Replace the fuser drive gear 64R/36R.
6
Damaged gears in the paper
feed drive system Replace the frame L unit.
7 Eject sensor failure Replace the eject sensor PCB ASSY.
8 Fuser unit failure Replace the fuser unit.
9 Main PCB failure Replace the main PCB ASSY