Epson SEIJ98006 15. Remedies for Fatal Error continued, EPSON Stylus Color, Revision C, Overview

EPSON Stylus Color 900 Revision C

Table 3-15. Remedies for Fatal Error (continued) Table 3-16. Remedies for Fatal Error (continued)

Step Check Point

6Is the lever securing the planetary gear dislocated from the frame? Has the tension spring come off?

7Has the coil for the Pump/ASF motor burnt?

8Is the coil for the ASF solenoid burnt?

	Actions		Step	Check Point	Actions
Check if the two			9 Is the CRHP sensor		Check for the correct voltages at 3-pin connector
	< P u m p / A S F S w it c h in g M e c h a n is m >
hooks securing				defective?	shown in the figure below.
the planetary gear	P u m p / A S F	M o t o r			Turn the printer on and check the voltage is correct
fixing lever to the	L e v e r F ix in g t h e				as follows:
Pump/ASF switch	P la n e t a r y	G e a r			• When the CR has come in the home position, the
mechanism are					voltage rises to 2.4 VDC or higher.
released from the					• When the CR has left the home position, the
frame.
					voltage drops to 0.7 VDC or lower.

Also, check the
tension spring’s	I r o n		C o r e	in
condition.							M / C
	th e	S o le n o id
	T e n s io n S p r in g							R E	W	M
								D	H
					T o	P in				/
								3	T	B L K C
					( C R H P )
Measure the internal coil resistance of the pump/ASF							CR H
motor in the same manner as for the CR motor (Step 4).
<Resistance: 7.0 Ω ± 10%>							P
							E
Referring to the figure below, measure the coil					T o	P in	2			M
resistance of the solenoid coil using a tester. Note the									( G N
										/
tester can be used regardless of the polarity.

<Resistance: 588 Ω ± 10%>	10	Is the ASF sensor	Check for the proper voltage in the same manner as
		defective?	described in the previous step. The ASF connector
			(3-pin) location on the relay board is also shown in
			the figure above. The pin configuration is also the
			same as CRHP sensor.
			At power on, the ASF reset operation is performed,
			and the ASF Sensor detects ASF home position.

S o l e n o i d

Troubleshooting Overview 89