Chapter 2 Troubleshooting
2.3 Level 2 FIP
2-35
FIP-2.9 Noise
Procedure Check
Action
YES NO
1
- Initial check -
Are there errors such as use of parts in different
specifications, attachment error, damage,
transformation, dirt, or foreign object?
- Major check parts -
HARNESS ASSY AC IN (PL5.1.46), FRAME ASSY
FRONT (PL8.1.1), REGISTRATION ASSY (PL4.1.30),
PLATE HV 1 (PL4.1.4), Drum/toner cartridge
(PL10.1.2), PWBA MCU XFABK(B) (PL9.1.25)
Replace and
reattach the parts.
To step 2
2
Is this device grounded exactly?
To step 3
Ground this
device.
3
Is there equipment that generates noise around this
device?
Move this device
or the equipment
that generates
noise.
To step 4
4
- HARNESS ASSY AC IN check -
Is the earth cable of the inlet securely fixed to the
CHASSIS BASE?
To step 5
Securely fix the
earth cable.
5
- PLATE HV 1 check -
Is the PLATE HV 1 transformed? Otherwise, does the
plate HV 1 normally come into contact with the Drum/
toner cartridge?
To step 6
Replace the
PLATE HV 1
6
- FRAME ASSY FRONT check -
Is the electric path in the FRAME ASSY FRONT
connected normally?
To step 7
Replace the
FRAME ASSY
FRONT
7
- REGISTRATION ASSY check -
Is the electric path in the REGISTRATION ASSY
connected normally?
To step 8
Replace the
REGISTRATION
ASSY
8
- Drum/toner cartridge replacement check -
Does this error recur after the defective Drum/toner
cartridge is replaced with a normal one?
To step 9 Action completed
9
- PWBA MCU XFABK(B) replacement check -
Does this error recur after the defective PWBA MCU
XFABK(B) is replaced with a normal one?
To step 10 Action completed
10
Is each part in this device grounded securely?
To step 11
Securely ground
the parts.
11
Recheck the Major check parts listed in the Initial check
item, and the related parts. Is an error detected?
Replace and
reattach the parts.
Action completed
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