Fip-2.39 Electrical Noise - Epson ColorPage EPL-C8200 Service Manual

EPSON ColorPage EPL-C8200

FIP-2.39 Electrical Noise

Step Check point
Perform the preliminary inspection.
Parts to inspect:
1 LVPS, BCR CONNECTOR ASSY, DEVE. CONTACT
ASSY, 2ND BTR ASSY, H/R HEATER, P/R HEATER,
DRUM CARTRIDGE, MCU PWB

2
Is the printer properly grounded?

Is another electrical product near the printer making a
3
noise?
Check: LVPS

4
Is the grounding wire securely connected to the power
switch/inlet part in the LVPS?
Check: BCR CONNECTOR ASSY

5
Is the BCR CONNECTOR ASSY deformed, damaged,
or installed improperly?
Check: DEVE. CONTACT ASSY

6
Is the DEVE. CONTACT ASSY deformed, damaged, or
installed improperly?
Check: 2ND BTR ASSY

7 Does the high voltage flow in the 2ND BTR ASSY have
proper continuity?
Check: H/R HEATER, P/R HEATER

8
Are the both ends of the H/R HEATER, P/R HEATER
securely fixed?
Check: DRUM CARTRIDGE replacement

9
Does the problem still occur after replacing the DRUM
CARTRIDGE?
Check: MCU PWB replacement

10
Does the problem still occur after replacing the MCU
PWB?
Check the parts listed for the preliminary inspection and
11 other relevant parts for any abnormality.

Is any of the parts defective?
*1: If the problem still occurs after all steps, you can wait and see what happens, since some external cause of the problem is considered.
Chapter 5 Troubleshooting
Yes
Replace/reinstall the defective part(s).
Go to Step 3.
Move the printer and the electrical
product away from each other.
Go to Step 5.
Reinstall/replace the BCR
CONNECTOR ASSY.
Reinstall/replace the DEVE. CONTACT
ASSY.
Go to Step 8.
Go to Step 9.
Go to Step 10.
Go to Step 11.
Replace/reinstall the defective part.
Remedy
No
Go to Step 2.
Ground the printer properly.
Go to Step 4.
Fix the grounding wire securely.
Go to Step 6.
Go to Step 7.
Replace the 2ND BTR ASSY.
Fix them properly.
Problem solved.
Problem solved.
Problem solved. *1
Revision A
5-109