Removing The Printer Mechanism - Epson 2070 - LQ B/W Dot-matrix Printer Service Manual

LQ-2070 Service Manual

3.2.9 Removing the Printer Mechanism

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 3 CBS screws (3 x 4,F/Zn), 2 CBB screws (3 X 12,F/Zn) securing the upper shield plate
the main board, and remove the upper shield plate.
4. Remove 4 printer mechanism mounting screws securing the printer mechanism.
5. Disconnect the following connectors on the C186 MAIN board assembly:
CN4 ( 3-pin, white)
CN7 (4-pin, white FFC)
CN10 (4-pin, blue)
CN13 (2-pin, black)
g Disconnect the cables for CN10 and CN11 after releasing the connector locks by pulling up.
6. Remove the printer mechanism.
Figure 3-16 Removing the Printer Mechanism
Notice the connection for cables CN10 and CN11 and align the red colored cable to pin 1 of the
connector.
The tightening torque for the printer mechanism mounting screw =
Adjust the bidirectional print alignment. When the printer mechanism is replaced to new one,
reset the TPE level. Refer to the Chapter 4.
Rev.A
CN5 ( 3-pin, black)
CN8 (17-pin, white FFC)
CN11 (5-pin, blue)
CN 16 (2-pin, yellow)
Printer Mechanism Mounting Screws
Assembly Notes
0.98 Nm ~ 1.18 Nm (10 ~ 12 Kg - cm)
Disassembly and Assembly
CN6 ( 2-pin, white )
CN9 (15-pin, white FFC)
CN12 (2-pin, white)
over
3-13