Disassembly And Assembly - Epson LQ-1170 Service Manual

3.2 DISASSEMBLY AND ASSEMBLY

This section describes how to disassemble and assemble the main components of the printer. When
the procedure for installing a component in the printer is simply the reverse of the procedure for
removing the component from the printer, no description of how to install the component is given.
Assembly and adjustment notes follow the disassembly procedure description, when necessary. Please
follow the instructions in these notes when you assemble or adjust printer components.
Before disassembling any part of the printer, read the warnings in Section 3.1.
Before disassembling any part of the printer, remove the paper and the ribbon cartridge.
Disassembly consists of the following procedures:
. R e m o v i n g printhead
the
Removing the case
Removing the electrical circuits
Removing printer mechanism
the
Disassembling the printer mechanism
Diagrams in the appendix show how the components
Remove printer power
cord
and interface cable.
Remove paper,
Remove ribbon cartridge.
3 . 2 . 2 . 1 3 - 6
Removing the Front Case
Removing the Printer Mechanism
I
Disassembling the Printer Mechanism
3 . 2 . 1
Changing the F"rinthead
1
II
3 . 2 . 3 . 2 3 - 7
Removing the Main Board
I
Removing the Drive Board
Figure 3-1. Flowchart for Disassembling the Printer
C A U T I O N
fit together. Refer to them as necessary.
3 . 2 . 5 . 1 4
Disassembling the Tractor Unit
3 . 2 . 3 . 3
Removing the Power Supply Board
3-4
Page
Section
Description
1
3 - 8
1