Epson PX650 Series, Service Manual

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Epson Stylus Photo PX650/TX650/TX659/PX660/PX660 Premium/Artisan 635 Revision C
DISASSEMBLY AND ASSEMBLY Disassembling the Printer Mechanism 95
Confidential
4.4.8 APG Unit

Parts/Components need to be removed in advance
Upper Housing / Scanner Unit / Panel Unit / M/B Cover / Waste Ink Tray Assy /
Middle Housing / Printer Mechanism

Removal procedure
1. Remove the screws (x2) that secure the APG Unit, and remove the APG Unit.
2. Remove the Composite Gear (10, 15.5).
Figure 4-75. Removing the APG Unit

The gear layout on the rear of the APG Unit is shown below.
If the gears comes off when removing the APG Unit, attach
them referring to below layout.
Figure 4-76. Gear Layout of the APG Unit
ASF Gear train
C.B.S. 3x6 (8±1 Kgfcm)
Composite Gear (10, 15.5)
1
2
APG Unit
Spur gear 28.8
Locating hole

When installing the APG Unit, follow the procedure below.
1.
Install the Composite Gear (10, 15.5).
2. Put a pin (
ø
2mm) or the like through the locating hole of the
Right PG Cam on the CR Guide Shaft to the printer frame.
Figure 4-77. Installing the APG Unit (1)
3. Put a pin or the like through the locating hole of the APG
Unit to the Spur Gear 28.8.
Figure 4-78. Installing the APG Unit (2)
(Continued to the next page.)
Right PG Cam
Step 1. Install the Composite Gear (10, 15.5)
Step 2. Put a pin or the
like through the hole
Step 3. Put a pin or the like through the hole
With the pin left in the hole