Asf Assy - Epson Stylus Photo R1900 Service Manual

EPSON Stylus Photo R1900/R2880/R2000

4.4.6 ASF Assy

1. Remove the Printer Mechanism. (Refer to 4.4.4 Lower Housing / Printer
Mechanism (p.96))
2. Remove the C.B.S. M3 x 8 screw that secures the Earth cables on the right rear
side of the printer, and remove the Earth cables.
3. Disconnect the ASF Motor connector from the Relay connector.
4. Disconnect the Relay connector cable from the ASF Assy.
ASF Assy
ASF Motor
5) C.B.S. M3x8 Earth cables
(8±1 kgf.cm)
Figure 4-92. Releasing the Cables (1)
 Secure the two Earth cables together with the screw.
 Referring to Figure
cable.
Disassembly And Assembly
Relay
connector
Relay
connector
cable
Ferrite Core
4-92, correctly route the Relay connector
Disassembling the Printer Mechanism
5. Disconnect all the cables and the FFCs from the connectors on the Relay Board.

CN1 : Relay FFC

CN2 : PE Sensor cable

CN4 : APG Sensor cable (lower side)

CN5 : APG Sensor cable (upper side)

CN6 : PF Encoder Sensor FFC
When performing the following steps, be extremely careful not to
C A U T I O N
damage the cables. If having trouble disassembling, remove the
High Voltage Module Cover to make the work easier.
High Voltage Module Step2 (p87) .)
6. Disconnect the FFC bundled by the acetate tape from the CN6 to CN22 on the
Main Board, and release it from the groove on the ASF Assy.
7. Disconnect the APG Motor cable and PE Sensor cable from the ASF Assy.
8. Peel off the PF Encoder FFC secured by two pieces of double-sided adhesive tape
from the ASF Assy.
Double-
sided
Tapes
Groove
APG Motor cable
Acetate Tape
Main Board
CN6 to CN22
Figure 4-93. Releasing the Cables (2)
Revision E
(refer to 4.3.3
PF Encoder Sensor FFC
PE Sensor cable
Relay Board
106
Confidential