COPYRIGHT © 2005 CANON ELECTRONICS INC. CANON DR-2580C FIRST EDITION APR. 2005
3-21
CHAPTER 3 DISASSEMBLY/ASSEMBLY
IV. FLATBED
A. Upper Unit
1. Upper Unit
1) Unlock the optical unit (reading unit).
2) Unhook the 2 fitting parts
{
1 and slightly
slide the upper unit
{
2 backwards to re-
move it.
Figure 3-401
* Notes on assembly
Before installing the upper unit, clean the
inner surface of the glass. And remove the
dust if there is inside the unit.
2. Flatbed Cover Assembly
1) Fully open the flatbed cover.
2) Bend the stopper
{
1 , insert a tool into the
gap of the shaft
{
2 , and slide the flatbed
cover assembly
{
3 until it is removed.
Figure 3-402
* Notes on part replacement
A black pressure board needs to be put on
the position on which the document board
glass is actually mounted. Thus, when
replacing a part, prepare a flatbed cover
without black pressure board and a black
pressure board, and install them accord-
ing to the following procedure.
1) Install the flatbed cover without black
pressure board.
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