Epson R310 service manual Occurrence Phenomenon Detail Faulty Part Check Point Remedy

EPSON Stylus Photo R300/R310							Revision A
	Table 1-7. Check Points for Paper Jam Error to Each Phenomenon
Occurrence	Phenomenon Detail	Faulty Part/		Check Point			Remedy
Timing
		Part Name
Position of CR
	"Carriage Unit" moves to the home		1.	Check if "Torsion Spring, 0.22" for "PE Sensor Lever" is	1.	Reassemble "Torsion Spring, 0.22".
At operation	position properly when turning on the			not unfastened.
	power. Then paper feeding operation is	PE Sensor*	2. Check if "PE Sensor Cable" is correctly mounted on		2.	Remount "PE Sensor Cable" correctly.
Out of HP
	performed normally, but paper is not			"Holder, Shaft, LD Roller".
	sent into the printer.
			1.	Check if "Roller, Retard Assy." operates properly while	1.	Reassemble "Extension Spring, 0.45" back of
				feeding paper.		"Roller, Retard Assy."
	When feeding paper, the leading edge of
	paper is detected properly, but the paper	ASF Assy.
	is ejected without being set at the print
	start position. At this time, the next
	paper is fed to "PE Sensor Lever".
						Extension
						Spring, 0.45
			1.	Check if "Star Wheels" have not come off.	1.	Reassemble "Star Wheels" correctly.
		Frame EJ Assy.**	2.	Check if "Frame EJ Assy." is correctly assembled.	2.	Reassemble "Frame EJ Assy." correctly.
			3.	Check if "Frame EJ Assy." is not transformed toward	3.	Replace "Frame EJ Assy." with a new one.
At operation
				downward.
-
		Paper Guide, Front	1.	Check if "porous pad" of "Paper Guide, Front" has not	1.	Remount "porous pad" correctly.
				come off.
			1.	Check if "Roller EJ Assy." is correctly assembled.	1.	Reassemble "Roller EJ Assy." correctly onto
	The leading edge of paper does not go					"Printer Mechanism".
	through between "Roller EJ Assy." and		2.	Check if "Spur Gear, 41.48" has not come off.	2.	Reattach "Spur Gear, 41.48" to "Roller EJ
	"Star Wheels".					Assy." correctly.
		Roller EJ Assy.

Spur Gear, 41.48

TROUBLESHOOTING Unit Level Troubleshooting 19