Epson DFX-8500 service manual mm Center Position Platen

DFX-8500

Step 4: Using the carriage guide shaft gear, attach the both dial gauge needles to the platen surface.(The needle doesn’t reach the end of the stroke).

S id e F r a m e ( L )

A t t a c h b o t h

P la t e n

R e f e r t o	C a r r ia g e
F ig u r e 4 - 1 0 a .

n e e d le

G u id e S

C a r r ia g e g u id e S h a f t G e a r

Figure 4-14. Attaching Two Needles to Platen Surface

Step 5: Measure the angle difference about three position such as figure below.(Using the CR motor pulley to move the carriage with the dial gauge toward the right side. See Figure 4-11.)

70 mm						Center Position											70 mm
				Platen
30			30			30			30			30			30
20			20			20			20			20			20
10			10			10			10			10			10
0		30	0		30	0		30	0		30	0		30	0		30
10	20		10	20		10	20		10	20		10	20		10	20

Figure 4-15. Measuring Angle Difference 1

4-10 Rev. B