1.
FUNCTION OF SWITCHES AND OTHER PARTS ON
PWBs
1-1.
PWB Location
1-2.
PWB-S1 (Tech. Rep. Setting Switches Board)
Symbol
INI
Initialize Point
MEMORY
Memory Clear Test Point
COM
COM Test Point
TROUBLE Trouble Reset Switch
SERVICE
Not used
Name
Resets a paper misfeed, malfunction, and
erratic display.
Clears data of various kinds stored in mem-
ory.
Ground used for memory clear.
Resets the following malfunction displays:
Exposure Lamp system (C04XX), Fusing
system (C05XX), Scanner system (C06XX),
ROM contents failure detected upon start
(C3FF)
S-1
PWB-S1
4004S002AC
4002S002AB
Description