Epson R310 service manual Check Points for Abnormal Sound

EPSON Stylus Photo R300/R310 Revision A

Table 1-12. Check Points When More Than One Paper is Fed Constantly Without LED/STM3's Error Notifications

Occurrence Timing

Position of CR

Phenomenon Detail

Faulty Part/

Part Name

Check Point

Remedy

At operation

-

The printer always feeds more than one sheet of paper without LED/STM3's error notifications.

ASF Assy.

1.Check if "Roller, Retard Assy." works correctly while feeding paper.

1.Reassemble "Extension Spring, 0.45" on the back of "Roller, Retard Assy."

Extension Spring, 0.45

Table 1-13. Check Points for Abnormal Sound

Occurrence Timing	Phenomenon Detail	Faulty Part/		Check Point		Remedy
Position of CR		Part Name
	Abnormal sound is heard in spite of the	Carriage Unit	1.	Check if there is enough grease on "CR Guide Shaft".	1.	Wipe the remaining grease off "CR Guide
						Shaft" and reapply some grease.
	normal print operation at the first power
	on or some other time.	Ink System	1.	Check if "Lever, Change" moves smoothly.	1.	Replace "Ink System" with a new one.
Any time
	The bottom of "Carriage Unit" touches	Frame EJ Assy.	1.	Check if "Frame EJ Assy." is not warping upward.	1.	Replace "Frame EJ Assy." with a new one.
Anywhere	the surface of "Front Frame".
	"Carriage Unit" strikes on "Paper Guide,	Paper Guide,	1.	Check if "Paper Guide, Upper" has not come off from	1.	Reassemble "Paper Guide, Upper" to "Main
	Upper" while "Carriage Unit" is			"Main Frame".		Frame".
		Upper
	working.

TROUBLESHOOTING Unit Level Troubleshooting 25