Board Descriptions
A - 36
OF 5300/5600 Serv Man, P/N 59278301
A3.2.13 M17 Circuit Diagram
1.
Block diagram
The circuit diagram consists of the following connector:
•
Connector CN1 provides an interface between M17 board and main power supply unit.
2.
Function
1)
Sensors and switch control
Six types of sensors are used in the printer as listed below. All of their output enter
IOGA3 ports for referring to and processing by the CPU.
Figure A3.2.17 shows sensors and switch control.
•
Inlet sensor 1 and 2
•
Write sensor (To detect the paper top position for printing)
•
Outlet sensor
•
Paper end sensor
•
Toner end sensor
•
Cover status switch
The functions of various sensors are described in the following table.
Sensor Functions
Sensor Type
PSIN-N
PSIN2-N
Inlet sensor
Inlet sensor 2
This photosensor is positioned before the resist roller to detect whether
the paper has entered into the printer section.
Sensor Name
Function
WRSNS-N
Write sensor
Detects the arrival of paper at designated position on the paper transport
route inside the printer in order to turn on the light of the LED head.
0: Paper exists, 1: Paper does not exist
PSOUT-N
Outlet sensor
Located at the exit of the printer to supervise the paper exit operation.
0: Paper exists, 1: Paper does not exist
PAPER-N
Paper sensor
Detects the presence of paper in the paper cassette.
0: Paper exists, 1: Paper does not exist
TNRSNS-N
Toner sensor
Detects the remaining toner in the toner cartridge.
"The length of time of low-toner state within fixed time interval" detects a
low-toner state.
CVOPN-N
Cover open
sensor
Detects whether the cover of the printer section is open or not.
0: Cover is open, 1: Cover is close
Summary of Contents for OF5600
Page 376: ...Illustrated Parts List D 2 OKIFAX 5300 5600 Service Manual P N 59278301 1 Cabinet Assembly...
Page 388: ...Illustrated Parts List D 14 OKIFAX 5300 5600 Service Manual P N 59278301 5 Scan Unit...
Page 394: ...Illustrated Parts List D 20 OKIFAX 5300 5600 Service Manual P N 59278301 8 Option Telephone...