Oki IP-6620 - Page 550

OKI Data Infotech Corporation CONFIDENTIAL
Chapter 8 Operation Mechanism
8-29
Name
Type
Reading component
0
indication
1
indication
Readout
number when
disconnected
Remarks
Ink cover sensor
Photo interrupter
PCB-ASSY-ACT3
CPLD-VSU
Closed
Open
1
Low level
with light
blocked
Suction fan lock
detection 1 to 4
Internal fan
element
PCB-ASSY-ACT3
CPLD-VSU
Rotating
Locked
1
FFC connection
detection
CN9 to CN12
By checking
GND connection
on HCB1M
board
PCB-ASSY-IPB5-100
FPGA-BTC
Yes
No
1
ACT3 board
detection
By checking
GND connection
on ACT3 board
PCB-ASSY-IPB5-100
FPGA-BTC
Yes
No
1
TRC-MW board
detection
By checking
GND connection
on TRC-MW
board
PCB-ASSY-IPB5-100
FPGA-BTC
Yes
No
1
Zero cross
detection
Photocoupler on
TRC-MW board
PCB-ASSY-IPB5-100
FPGA-BTC
At zero
cross
Not at zero
cross
1
Operation panel
power switch
Tact switch on
MCP4M (MCP5)
board
PCB-ASSY-IPB5-100
FPGA-BTC
OFF
ON
1
Media discharge
sensor
Reflective photo
sensor
PCB-ASSY-ACT3
AD converter
Low
voltage:
No
reflective
object
High
voltage:
Reflective
object
detected
Approx.
5 V
Media feed
sensor
Reflective photo
sensor
PCB-ASSY-ACT3
AD converter
Low
voltage:
No
reflective
object
High
voltage:
Reflective
object
detected
Approx.
5 V
PCB-ASSY-ACT3
AD converter
Reflective photo
sensor
PCB-ASSY-ACT3
AD converter
Low
voltage:
No
reflective
object
High
voltage:
Reflective
object
detected
Approx.
5 V
Linear encoder
Reads linear
scale with
optical sensor
PCB-ASSY-HCB1M
FPGA-PTG
PCB-ASSY-IPB5-100
FPGA-BTC
1
Two
outputs to
A phase
and B
phase
IONIZER
Checks high
voltage applied
to the ion
generating
device
PCB-ASSY-HCB1
AD converter
0
Normally
1.5 V to 3.5
V
LCIS ink weight
sensor
Potentiometer
PCB-ASSY-ACT3
0
Normally
1.8 V to 3.3
V