EPSON Stylus Color 900

 

 

Revision C

3.1.1.5 Remedies for Fatal Error

 

Table 3-14. Remedies for Fatal Error

A fatal error is basically caused by any of the following conditions:

Step

Check Point

Actions

 

 

 

1. The printer does not detect the carriage in the home position.

3

Has the ASF sensor

Referring to the figure below, check that the ASF

 

come off?

sensor is attached to the correct position.

2. The printer does not detect signals from the linear scale.

 

Is the sensor for the

Check that both connectors 1 and 2 are securely

3. The ASF sensor does not detect the ASF home position.

 

ASF disconnected?

connected.

The following tables show various causes of the error and

 

 

A S F S e n s o

 

 

A S F F r a m e

corresponding solutions. Be sure to follow the steps correctly to solve

 

 

( L e f t )

the problems.

 

 

 

NOTE: If the finding for the question is Yes, take the action described in

 

 

 

the right column. If “No”, proceed to the next step.

 

 

C o n n e

 

 

 

 

Table 3-13. Remedies for Fatal Error

 

 

 

 

C o n n e c t o r

1

 

 

 

 

 

 

 

 

 

 

F S A

E P

H R C

 

M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D E R

/

 

 

Step

Check Point

 

Actions

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

T H W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C / M

 

 

C / M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Has the CRHP

Check the CRHP sensor visually. Connect the

 

 

 

 

 

 

K L B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

sensor come off the

connector properly. Make sure the connector is

4

Has the coil for the

Since the CR motor is controlled by the Bipolar

 

 

 

printer mechanism

connected to the indicated position on the relay

 

 

 

frame?

board. Also, check that there is no dust nor paper

 

CR motor burnt?

system, measure the coil resistance using the tester

 

 

Is the connector for

debris between the sensor parts.

 

 

 

 

as shown below.

 

 

 

 

 

 

 

 

 

the CRHP sensor

 

C o n n e c t o r

1

 

 

<Resistance: 5.8 Ω ± 10%>

 

 

 

 

 

 

 

disconnected?

 

 

 

Note: Be

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S t e p

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

sure to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M e c h a n is m C o n n e c t o r

2

 

measure the

 

 

 

 

 

 

 

 

 

 

F r a m e

 

 

 

 

 

resistance at

T o

P i n T3o

 

 

 

 

 

 

 

 

 

 

 

two points

 

P i n

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F S A

E P

H R C

M

 

 

 

shown in the

 

 

 

 

 

 

 

 

 

 

 

 

 

figure below.

 

 

T o

P i n

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D E R

/

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

S t e

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T H W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C / M

C / M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C R

M o t o r

 

 

4

 

 

 

 

 

K L B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T o

P i n

 

2

Has the encoder belt

Referring to step 2 in Section 3.1.2.2, check that the

 

 

 

 

come off?

encoder belt is set between the sensor parts. Also

 

 

 

 

5

Has the coil for the

Measure the internal coil resistance of the PF motor

 

 

check that the sensor is free from dust and paper

 

 

 

PF motor burnt?

in the same manner as for the CR motor.

 

 

debris.

 

 

 

 

 

<Resistance: 8.1 Ω ± 10%>

 

 

 

 

 

Troubleshooting

Overview

88

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Epson SEIJ98006 manual Remedies for Fatal Error
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