Signal Description - Toshiba KK-1600 Service Manual

5.3 Signal Description

Signal Name Part Name
STPCOV STP cover open
switch
STPPSET STP paper set
sensor
STPHP STP home
position sensor
STPEMP STP staple
empty switch
The STP cover open switch detects the open or close state of the cover. A microswitch is used for the
switch. A power supply is delivered to the stapler when the cover is closed, and cut off when open.
The STP paper set sensor detects the loading of paper. A photo sensor is used for the switch. The signal
goes LOW when the paper to be stapled is loaded.
The STP home position sensor detects the home position of the stapler. A photo sensor is used for the
sensor. It is mounted on the STP sensor PWA and detects the home position every stapling.
The STP staple empty switch detects the presence or absence of staples. A microswitch is used for the
sensor. When staples have run out or no cartridge is mounted, the signal is detected at "Low" level.
KK-1600 CIRCUIT DESCRIPTION
Functional Description
Detects the open/close
state of the cover during
staple replacement, etc.
Detects the loading of the
paper to be stapled.
Detects the home position
of the drive section.
Detects the presence or
absence of staples.
5 - 2
Status
Open: Power off
Low: Paper loaded
Low: Home position
Low: No staples
October 2000 © TOSHIBA TEC
Note
Microswitch
Photo sensor
Photo sensor
Microswitch