Epson 610 manual Troubleshooting, Problems and Corresponding Tables to Refer to

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EPSON Perfection 610

Revision B

3.3 Troubleshooting

This section describes how to troubleshoot problems according to exhibited phenomenons.

See Table 3-2that enables you to find the defective part to the unit level. Then refer to the corresponding table for checkpoints and solutions.

Table 3-2. Problems and Corresponding Tables to Refer to

Phenomenon

 

Problem

 

Refer to:

The scanner is turned on but

 

The scanner is not initialized.

 

Table 3-3

does not operate.

 

 

 

 

 

 

 

 

 

“Fatal Error” occurs. The

 

The carriage unit does not

 

Table 3-4

scanner is turned off and back

 

operate.

 

 

on but still shows the same

 

The carriage unit operates but

 

Table 3-5

error.

 

 

 

the error is indicated.

 

 

 

 

 

 

 

 

 

 

 

 

 

The lamp does not light up.

 

Table 3-6

Image is not read clearly.

 

Image is not read clearly.

 

Table 3-7

 

 

 

 

 

“Communication Error” occurs.

 

USB interface error

 

Table 3-8

Communication with the host

 

 

 

 

is attempted again, but the

 

 

 

 

same error occurs.

 

 

 

 

 

 

 

 

 

Table 3-3. The scanner is not Initialized.

Cause

 

Step

 

Checkpoints

 

Finding

 

Remedy

 

 

 

 

 

 

 

 

 

CN1 on the power

 

 

 

Is CN1 on the power

 

 

 

Connect CN1 to the

supply board is

 

1

 

supply board

 

Yes

 

power supply

disconnected.

 

 

 

disconnected?

 

 

 

board.

 

 

 

 

 

 

 

 

 

Table 3-4. The carriage unit does not operate.

Cause

 

Step

 

 

Checkpoints

 

Finding

 

Remedy

 

 

 

 

 

 

 

 

 

The PS

 

1

 

With scanner power on, check

 

No

 

Replace the PS

(Power

 

 

 

CN101 for the output voltage at

 

 

 

board.

Supply)

 

 

 

the pins below.

 

 

 

 

board is

 

 

 

• Pins:

8/9 (+) and 6/7 (-)

 

 

 

 

defective.

 

 

 

• Voltage:

+24VDC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The carriage

 

 

 

Is grease (G-26) properly

 

No

 

Apply grease to

drive

 

2

 

applied?

 

 

 

 

the specified

mechanism

 

 

 

(See Chapter 6.)

 

 

 

points properly.

is defective.

 

 

 

 

 

 

 

 

 

 

3

 

• With the upper housing

 

No

 

Check the

 

 

 

 

 

 

 

 

 

removed, turn the scanner on,

 

 

 

carriage unit, and

 

 

 

 

and check that the CR motor is

 

 

 

replace any

 

 

 

 

live.

 

 

 

 

defective part or

 

 

 

 

• Remove the CR motor, and

 

 

 

disassemble and

 

 

 

 

check that the carriage unit

 

 

 

assemble the

 

 

 

 

moves smoothly.

 

 

 

scanner again.

The CR

 

4

 

Disconnect CN6 on the main

 

No

 

Replace the CR

motor is

 

 

 

board. Then, using a tester,

 

 

 

motor and go to

defective.

 

 

 

check that the coil resistance at

 

 

 

step 4.

 

 

 

 

each point below is 6.2Ω.

 

 

 

 

 

 

 

 

1. Between Pins 2 and 4

 

 

 

 

 

 

 

 

2. Between Pins 1 and 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

Follow the steps below to check

 

No

 

Replace the main

 

 

 

 

for the CR motor driver circuit.

 

 

 

board.

 

 

 

 

1. Set the meter to Ω.

 

 

 

 

 

 

 

 

2. Place the (-) terminal of the

 

 

 

 

 

 

 

 

tester on Pins 1, 2, 3, and then

 

 

 

 

 

 

 

 

4 of the CN6 on the main

 

 

 

 

 

 

 

 

board.

 

 

 

 

 

 

 

 

 

3. Place the (+) terminal of the

 

 

 

 

 

 

 

 

tester on Pin 6 or 7 of the CN4

 

 

 

 

 

 

 

 

on the main board.

 

 

 

 

 

 

 

 

4. Turn the scanner off, and

 

 

 

 

 

 

 

 

check that the meter shows

 

 

 

 

 

 

 

 

“for each pin.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The main

 

6

 

---

 

 

---

 

Replace the main

board is

 

 

 

 

 

 

 

 

board.

defective.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Troubleshooting

Troubleshooting

23

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Contents Epson Perfection Epson Perfection Rev. B Precautions Preface Revision Status Revision Issued Date DescriptionContents Product Description Specifications FeaturesProduct Description Specifications Dimension Pin No Signal Interface SpecificationsUSB Specifications ConfigurationControl Codes Category Command Name CodeControl Codes Lamp DescriptionsCommand Error Error IndicationsManuscript Table Operating Principles Carriage Unit Engine MechanismCarriage Movement Carriage Drive MechanismOutput Over Current Protection Over Voltage Protection Power Supply CircuitSpecification Unit Part No Fuse Protection Circuits for Output Voltages/CurrentsPower Supply Circuit Block Diagram Location Functions Control CircuitMajor ICs Troubleshooting Overview Self-Diagnostic FunctionErrors Detected by the Self-Diagnostic Function Lamp Condition Error Type Cause RemedyCarriage unit does not operate TroubleshootingProblems and Corresponding Tables to Refer to Scanner is not InitializedImage is not read clearly Carriage unit operates but the error is indicatedUSB Interface Error Lamp does not light upAssembly and Disassembly Screws PrecautionsTools Scanner, make sure the carriage is at the home position Disassembly ProceduresWhen locking the carriage for transporting Releasing the Carriage LockDocument Cover Removal Document Cover RemovalUpper Housing Removal Upper Housing RemovalInverter Lamp / Inverter Board Removal Carriage Unit Disassembly10. Inverter Board Removal 12. Metal Clamp Removal Carriage Unit Removal14. Driven Pulley Assembly Removal 16. Timing Belt Removal 19. FFC Metal Clamp and FFC Removal 21. Shield Plate Removal Carriage Motor / Timing Belt Removal24. Timing Belt Removal 26. Main Board Removal Main Board Removal27. Main Board Removal 30. Panel Board Removal Panel Board RemovalBack and forth slowly if necessary Power Supply Board RemovalFollowing steps, manually move the carriage 34. Power Supply Board Adjustment Adjustment Maintenance Lubrication CleaningAppendix Interconnection Connector AssignmentConnector Description Number Refer to Pins Main Board CN5 Power Supply Board CN1Power Supply Board CN102 Main Board CN4Ref. # Description Parts List and Explode DiagramsParts List GT-6600/PERFECTION 610 No.1 Rev.01 Not ASP