Overview; Precautions; Tools; Screws - Epson 1240U Service Manual

EPSON Perfection 1240U

4.1 Overview

This chapter describes procedures for disassembling the EPSON
Perfection 1240U. Unless otherwise specified, the scanner can be
disassembled by reversing the disassembly procedures.

4.1.1 Precautions

Disconnect the power cable before disassembling or
W A R N I N G
assembling the scanner.
Wear a pair at gloves to protect your hand from the
sharp edge in the scanner mechanism.
When servicing, note the points below:
C A U T I O N
Consider the size of the scanner and make enough
room for servicing.
Since this scanner is a precision equipment,
service it on a flat, level, heavy-duty table.
The directions used in this chapter are defined as shown in Figure 4-1.
R i g h t
F r o n t
E P S O N
Figure 4-1. Directions
Assembly and Disassembly
I n s i d e
R e a r ( B a c k )
L e f t

4.1.2 Tools

Use the tools specified in Table 4-1.
Names
Phillips screw driver (#2)
Standard screw driver
Pliers
Tweezers

4.1.3 Screws

The screws used in the scanner are as shown in Table 4-2. Make sure
you always use the correct type and number of screws for the
assembling part. See Table 4-3 for the screw appearances.
Table 4-2. Screw Specifications
Abbreviation
CP
CBP
CCP
Table 4-3. Screw Appearances
Head appearance
Top Side
Cross- Binding
recessed
Pan
Cup
Overview
Revision A
Table 4-1. Tools
Availability Part Number
B743800200
B743000100
B740400100
B641000100
Description
Cross-recessed Pan Head screw
Cross-recessed Binding Head P-tite screw
Cross-recessed Cup Head P-tite screw
Type Washer
Standard With Outside Toothed
lock washer
- - - -
B-tite
With Spring lock
P-tite
washer
26