Electrical Parts; Outline; User Interface Board - Canon FY8-13HR-000 Service Manual

4 Electrical Parts

4.1 Outline

This section describes the procedure for removing and replacing the following boards:
• User interface board (UIB)
• Copier interface board
• Motherboard
For information on installing option boards, such as the Token Ring board, see the sepa-
rate installation instructions provided with that board.

4.2 User Interface Board

The UIB installed in the front panel of the iR-M1 (see F04-402-01) provides the interface
between the iR-M1 and the user. The front of the user interface board contains circuitry for
the following:
• Activity lights (1 green and 1 red LED)
• Display window (LCD)
• Four line selection buttons
• Up and down button
• Menu button
The UIB cable connects to the cable connector on the back of the UIB and to
motherboard connector J30.
Back
COPYRIGHT © 2001 CANON INC.
UIB cable
connector
(UIB cable
connects
to motherboard)
F04-402-01 User interface board layout
2000 2000 2000 2000 NM-PDL REV.0 JULY 2001
CHAPTER 4 DISASSEMBLY/ASSEMBLY
Front
Activity lights (LEDs)
Line selection
button pads
Display window
Up and down
button pads
Menu button pad
4-13