Epson SEIJ98006 manual 14. Remedies for Fatal Error, 13. Remedies for Fatal Error, Revision C

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