Epson B81306 series Servicehandleiding - Pagina 24

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B81306* Service Manual

TROUBLESHOOTING

5.1

When a trouble occurs, YOU can distinwish the defective unit by referring the symptoms of the

defect that indicated in ~canner indica~or.

you can easily identify what the problem.

Table 5-1. Symptom and Problem in Scanner Indicator

Symptom

Option Error

Table 5-2. Scanner indicates no error but no image data.

Cause

disconnected

Lamp is

defective

Sensor

Cover Open Sensor

Carriage Home

Position Sensor

Carriage Motor

The table below lists the symptom of certain defects, and

Problem

Cover open

Carriage error

Checkpoint

Check the connection between CN1

and Scanner.

Check the lighting of Lamp.

Table 5-3. Sensor Status

Point

Table 5-4. Motor

Motor

Cause

. Transparency Cover is open.

. Cover Open Sensor is defective.

. Lamp Carriage Mechanism is

defective.

. Carriage Home Position Sensor is

defective.

. Carriage Motor is defective.

Connect them correctly.

Replace the Lamp.

Signal Level

Resistance

5.3 Q* 10% (at250 C)

Traubleshooting

Solution

Status

Cover Close

Cover Open

At Home Position

Out of home Position

5-1