Adjustment - Epson FX-980 Service Manual

Impact serial dot matrix printer
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FX-980
3.2.10 Removing the Printer Mechanism

Changed point:
The printer mechanism and the connector cover are connected with
a screw, so the operation for removing the screw (step 3) is added.
1. Remove the rear / front edge guide assembly, front cover, paper
eject assembly, rear / front tractor units, and printer cover (see
Section 3.2.1).
2. Remove the panel board assembly (see Section 3.2.2) and upper
housing assembly (see Section 3.2.7).
3. Remove the screw securing the upper connector cover located
above the option I/F slot to the printer mechanism.
4. Remove 4 printer mechanism mounting screws.
5. Disconnect the following connectors on the C276 Main Board
assembly:
CN4 (3-pin, white)
CN6 (2-pin, white)
CN8 (18-pin, white FFC) CN9 (16-pin, white FFC)
CN10 (4-pin, blue)
CN12 (2-pin, blue)
CN16 (2-pin, yellow)
NOTE: Disconnect the cables for CN10 and CN11 after
releasing the connector lock by pulling up.
6. Remove the printer mechanism.
Perform the Bi-directional adjustment and TPE reset.
Refer to Chapter 4.
Disassembly and Assembly
CN5 (3-pin, black)
CN7 (4-pin white FFC)
CN11 (5-pin, blue)
CN13 (4-pin, black)
Printer Disassembly and Assembly
Printer Mechanism Mounting Screws
Figure 3-17. Removing the Printer Mechanism

Notice the connection for cables CN10 and CN11
and align the red colored cable to the pin 1 of the
connector.

The tightening torque for the printer mechanism
mounting screw = 0.98 Nm - 1.18 Nm (10 - 12 Kg -
cm)
Revision A
39

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