Counter Control; Counter Composition; Counter Operation - Konica Minolta 7145 Service Manual

11.5 Counter Control

11.5.1

Counter composition

CB
Symbol
OB Operation board
TC Total counter
(7145 provided as a standard equipment)
(7235/7228/7222 optional)
KC Key counter (optional)
PS2 Fixing exit sensor
11.5.2

Counter operation

This machine uses the following two software counters to count the number of copies. However, the con-
tent of the number display counter on the OB (Operation board) may differ depending on the operating
condition of the machine.
A. Paper feed counter
This counter increments when the 1st paper feed for the next copy comes ON.
B. Paper exit counter
This counter increments when the PS2 (Fixing exit sensor) goes ON → OFF.
C. Number display counter on the OB (Operation board)
Normal operation
Indicator shows a count from the paper feed counter. Indicator shows a count from the paper exit counter.
7145
Name
Displays the number of copies by means of the LED.
Displays the total number of copies.
This is a mechanical counter driven by an electric signal.
A counter used to make copying unavailable after the
specified number of copies is counted
This is a mechanical counter driven by an electric signal.
Detects paper at the fixing exit. This information
becomes a control signal source for each counter.
Photosensor + actuator
2-43
SCB
7235/7228/7222
TC
KC
(OPTION)
PS2
Function or method
Jam
OTHER CONTROLS
OB
TC
(OPTION)
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