Epson 610 manual Carriage unit operates but the error is indicated, Lamp does not light up

Page 24

EPSON Perfection 610

Revision B

Table 3-5. The carriage unit operates but the error is indicated.

Cause

 

Step

 

Checkpoints

 

Finding

 

Remedy

 

 

 

 

 

 

 

 

 

The CR home

 

1

 

Check the signal levels

 

---

 

Replace the CR

position sensor

 

 

 

between the collector (+)

 

 

 

home position

is defective.

 

 

 

and emitter (-) of PC1. The

 

 

 

sensor (PC1) on

 

 

 

 

signal level should change

 

 

 

the main board.

 

 

 

 

depending on the condition

 

 

 

 

 

 

 

 

below:

 

 

 

 

 

 

 

 

•HIGH (4.5V) = Light is

 

 

 

 

 

 

 

 

blocked in PC1.

 

 

 

 

 

 

 

 

•LOW (0.3V) = Light

 

 

 

 

 

 

 

 

passes in PC1.

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 3-6. The lamp does not light up.

Cause

 

Step

 

Checkpoints

 

Finding

 

Remedy

 

 

 

 

 

 

 

 

 

CN5 on the

 

1

 

Check that CN5 is

 

Yes

 

Connect CN5 on

main board is

 

 

 

disconnected.

 

 

 

the main board

disconnected.

 

 

 

 

 

 

 

properly.

 

 

 

 

 

 

 

 

 

CN1 or CN2 on

 

2

 

Check that CN1 or CN2 on

 

Yes

 

Connect CN1 or

the CCD sensor

 

 

 

the CCD sensor board is

 

 

 

CN2 on the CCD

board is

 

 

 

disconnected.

 

 

 

sensor board

disconnected.

 

 

 

 

 

 

 

properly.

The connector

 

3

 

Check that the connector is

 

No

 

Connect the

for the lamp is

 

 

 

properly connected to the

 

 

 

connector

not properly

 

 

 

inverter board.

 

 

 

properly.

connected to

 

 

 

 

 

 

 

 

the inverter

 

 

 

 

 

 

 

 

board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The lamp is

 

4

 

After replacing the lamp,

 

Yes

 

Replace the

defective.

 

 

 

check that the lamp lights

 

 

 

lamp.

 

 

 

 

up.

 

 

 

 

The inverter

 

5

 

After replacing the inverter

 

Yes

 

Replace the

board is

 

 

 

board, check that the lamp

 

 

 

inverter board.

defective.

 

 

 

lights up.

 

 

 

 

 

 

 

 

 

 

 

 

 

The main board

 

6

 

---

 

---

 

Replace the main

is defective.

 

 

 

 

 

 

 

board.

 

 

 

 

 

 

 

 

 

Table 3-7. Image is not read clearly.

Cause

 

Step

 

Checkpoints

 

Finding

 

Remedy

 

 

 

 

 

 

 

 

 

Any mirror in the

 

1

 

After cleaning the mirror(s),

 

No

 

Clean the

carriage unit or

 

 

 

check that image is read

 

 

 

surface of the

the surface of

 

 

 

clearly.

 

 

 

lamp.

the lamp is dirty.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The CCD

 

2

 

---

 

---

 

Replace the CCD

sensor board is

 

 

 

 

 

 

 

sensor board.

defective.

 

 

 

 

 

 

 

 

The main board

 

3

 

---

 

---

 

Replace the main

is defective.

 

 

 

 

 

 

 

board.

 

 

 

 

 

 

 

 

 

Table 3-8. USB Interface Error

Cause

 

Step

 

Checkpoints

 

Finding

 

Remedy

 

 

 

 

 

 

 

 

 

The host or O/S

 

1

 

On the Windows, access

 

No

 

Replace the host.

(Windows’98/

 

 

 

My Computer > Property >

 

 

 

 

NT) does not

 

 

 

Device Manager, and

 

 

 

 

support USB.

 

 

 

check that Universal Serial

 

 

 

 

 

 

 

 

Bus Controller is effective.

 

 

 

 

 

 

 

 

 

 

 

 

 

The TWAIN

 

2

 

Check that the driver for

 

No

 

Instal the correct

driver attached

 

 

 

the scanner is installed

 

 

 

driver properly.

for the scanner

 

 

 

properly.

 

 

 

 

is not properly

 

 

 

 

 

 

 

 

installed.

 

 

 

 

 

 

 

 

The USB cable

 

3

 

After replacing the USB

 

No

 

Replace the USB

is defective.

 

 

 

cable, check that the error

 

 

 

cable.

 

 

 

 

is not indicated.

 

 

 

 

 

 

 

 

 

 

 

 

 

The main board

 

4

 

---

 

---

 

Replace the main

is defective.

 

 

 

 

 

 

 

board.

 

 

 

 

 

 

 

 

 

Troubleshooting

Troubleshooting

24

Image 24
Contents Epson Perfection Epson Perfection Rev. B Precautions Preface Revision Issued Date Description Revision StatusContents Product Description Features SpecificationsProduct Description Specifications Dimension Interface Specifications USB SpecificationsConfiguration Pin No SignalCategory Command Name Code Control CodesLamp Descriptions Control CodesError Indications Command ErrorManuscript Table Operating Principles Engine Mechanism Carriage UnitCarriage Drive Mechanism Carriage MovementPower Supply Circuit Specification Unit Part No FuseProtection Circuits for Output Voltages/Currents Output Over Current Protection Over Voltage ProtectionPower Supply Circuit Block Diagram Control Circuit Major ICsLocation Functions Troubleshooting Self-Diagnostic Function Errors Detected by the Self-Diagnostic FunctionLamp Condition Error Type Cause Remedy OverviewTroubleshooting Problems and Corresponding Tables to Refer toScanner is not Initialized Carriage unit does not operateCarriage unit operates but the error is indicated USB Interface ErrorLamp does not light up Image is not read clearlyAssembly and Disassembly Precautions ToolsScrews Disassembly Procedures When locking the carriage for transportingReleasing the Carriage Lock Scanner, make sure the carriage is at the home positionDocument Cover Removal Document Cover RemovalUpper Housing Removal Upper Housing RemovalCarriage Unit Disassembly Inverter Lamp / Inverter Board Removal10. Inverter Board Removal Carriage Unit Removal 12. Metal Clamp Removal14. Driven Pulley Assembly Removal 16. Timing Belt Removal 19. FFC Metal Clamp and FFC Removal Carriage Motor / Timing Belt Removal 21. Shield Plate Removal24. Timing Belt Removal Main Board Removal 26. Main Board Removal27. Main Board Removal Panel Board Removal 30. Panel Board RemovalPower Supply Board Removal Following steps, manually move the carriageBack and forth slowly if necessary 34. Power Supply Board Adjustment Adjustment Maintenance Cleaning LubricationAppendix Connector Assignment Connector Description Number Refer to PinsInterconnection Power Supply Board CN1 Power Supply Board CN102Main Board CN4 Main Board CN5Parts List and Explode Diagrams Parts ListRef. # Description GT-6600/PERFECTION 610 No.1 Rev.01 Not ASP