Disassembly And Replacement - Toshiba 4560 Service Manual

7.7 Disassembly and Replacement

7.7.1 Original glass
(1) Remove the glass fix (2 screws).
(2) Remove the original glass in the direction of
the arrow.
7.7.2 Automatic exposure sensor PC board
(PWA-AES)
(1) Remove the original glass and move carriages
1 and 2 to the exit side.
(2) Remove the optical cover (2 screws).
Note: Be careful not to deform the black sheets of
either side of the lens unit when moving the
lens unit with its optical cover removed.
Move the lens unit toward the paper feed
side to protect the black sheet when install-
ing the optical cover.
(3) Remove the automatic exposure sensor unit
(1 screw).
(4) Remove the connector (1) and the screws (2)
and take off the PC board.
Nov. 1997 © TOSHIBA
Original glass
Optical cover
Automatic exposure sensor unit
Paper feed side
Black sheet
7 - 19
Glass fix
Connector
4560/4570 OPTICAL