EPSON EPL-6200/EPL-6200L

Revision A

3.4.2

Electrical Noise

 

 

 

 

Table 3-28. Troubleshooting for “Electrical Noise”

 

 

 

 

 

 

Step

Action and Question

Yes

No

 

 

 

 

 

Parts below can be the source of this error (Chapter 4 Disassembly and Assembly)

 

 

• Main Board Assy (C533/C534 Main) (p.146)

 

 

 

 

• Power Supply Unit (PU1) (p.151)

 

 

 

 

• Fuser Unit (p.152)

 

 

 

 

• High Voltage Unit (HV1) (p.151)

 

 

 

 

• Photoconductor Unit (p.135)

 

 

 

 

• Developer Cartridge (p.135)

 

 

 

 

• Paper Cassette Unit Control Board (p.162)

 

 

 

 

• Duplex Unit Control Board (p.163)

 

 

 

 

 

 

 

 

 

External noise

 

 

 

 

1. Check to see if within 3 m from the printer there is

 

 

 

 

another electrical apparatus, such as a generator,

 

 

1

 

radio transmitter or an apparatus incorporating a

 

Problem

 

motor.

Go to Step 2

 

solved

 

2. Turn off the power to the electrical apparatus in

 

 

 

 

 

 

question or move the printer to a position at least 6

 

 

 

 

m distant from the apparatus.

 

 

 

 

♦Does the problem with electrical noise still occur?

 

 

 

 

AC grounding

 

Ask the

2

 

Check the AC power connection.

Go to Step 3

customer for

 

♦Is the AC power cable connected and grounded

repair of the

 

 

 

AC power

 

 

properly?

 

 

 

 

connection.

 

 

 

 

 

 

 

 

 

 

 

Grounding screw

 

Install the

3

 

Check the grounding screw of the AC Inlet.

Go to Step 4

grounding

 

♦Is the cable grounded properly?

screw

 

 

 

properly.

 

 

 

 

 

 

 

 

 

 

 

Photoconductor Unit (Drum Cartridge)/Developer

 

 

4

 

Cartridge (toner cartridge)

 

Problem

 

Replace the Photoconductor Unit or Developer

Go to Step 5

 

solved

 

Cartridge.

 

 

 

 

 

 

♦Does the problem with electrical noise still occur?

 

 

 

 

 

 

 

Table 3-28. Troubleshooting for “Electrical Noise” (continued)

Step

Action and Question

Yes

No

 

 

 

 

5

Continuity of cables

 

Replace the

Check continuity of each cable.

Go to Step 6

defective

 

♦Does each cable have continuity?

 

cable.

 

 

 

6

Grounding of circuit boards

 

Ensure

Check grounding of circuit boards.

Go to Step 7

grounding.

♦Is grounding ensured?

 

 

 

 

 

 

 

7

Fuser unit

 

Replace the

Replace the fuser unit.

Go to Step8

fuser unit.

♦Does the problem still occur?

 

 

 

8

High voltage unit

 

Replace the

Replace the high voltage unit.

Go to Step9

high voltage

 

♦Does the problem still occur?

 

unit.

 

 

 

 

 

 

 

9

Power supply unit

 

Replace the

Replace the power supply unit.

Go to Step10

power supply

 

♦Does the problem still occur?

 

unit.

 

 

 

10

Main Board Assy.

Replace all

Problem

Replace the Main Board Assy.

the relevant

solved

 

♦Does the problem still occur?

parts.

 

 

 

 

 

 

 

 

Troubleshooting

Troubleshooting for Abnormal Operations

120

Page 119 Page 121
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Image 120
Epson EPL-6200L service manual Troubleshooting for Electrical Noise
Page 119 Page 121

EPL-6200L, EPL-6200 specifications

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