Read Sharp MX-6500N / MX-7500N (serv.man20) Service Manual online
MX-7500N SIMULATION 6 – 22
* The AD value is displayed by converting the above display range
into hexadecimal number.
* “Degrees C” is displayed as “deg” because of he display fonts.
5
5-1
Purpose
Operation test/check
Function (Purpose)
Used to check the operation of the display,
LCD in the operation panel, and control cir-
cuit.
Section
Operation panel
Operation/Procedure
The LCD is changed as shown below.
The contrast changes every 2sec from the current level to MAX -
The LCD is changed as shown below.
The contrast changes every 2sec from the current level to MAX -
MIN - the current level. During this period, each LED is lighted.
The LCD display contrast change and the LED lighting status are
The LCD display contrast change and the LED lighting status are
checked.
5-2
Purpose
Operation test/check
Function (Purpose)
Used to check the operation of the heater
lamp and the control circuit.
Section
Fusing
Operation/Procedure
1) Select the item to be checked with the touch panel key.
2) Press [EXECUTE] key.
1) Select the item to be checked with the touch panel key.
2) Press [EXECUTE] key.
The selected heater lamp operates ON/OFF.
When [EXECUTE] key is pressed, the operation is terminated.
When [EXECUTE] key is pressed, the operation is terminated.
Heater lamp operation check method:
Remove the front cabinet upper and the paper exit tray, and the
lighting status of each heater lamp can be checked through the
clearance between the fusing pressure release drive gear and the
frame fusing section.
5-3
Purpose
Operation test/check
Function (Purpose)
Used to check the operation of the scanner
lamp and the control circuit.
Section
Scanner (reading)
Operation/Procedure
1) Select the item to be checked with the touch panel key.
2) Press [EXECUTE] key.
1) Select the item to be checked with the touch panel key.
2) Press [EXECUTE] key.
The scanner lamp lights up for 10 sec.
When [EXECUTE] key is pressed, the operation is terminated.
When [EXECUTE] key is pressed, the operation is terminated.
Descriptions of loads (for DSPF)
CS1 HEATER
TEMP.
CS1 CS heater temperature
sensor: Temperature
CS1 CS heater temperature
sensor: AD value
Temperature: 0 - 255
degrees C
AD value: 0 - 65535
CS1 WARM
AIR TEMP.
CS1 CS warm air outlet port
temperature sensor:
Temperature
CS1 CS warm air outlet port
temperature sensor: AD value
Temperature: 0 - 255
degrees C
AD value: 0 - 65535
CS1 TEMP.
CS1 CS temperature sensor:
Temperature
CS1 CS temperature sensor:
AD value
Temperature: 0 - 255
degrees C
AD value: 0 - 65535
CS1 RH
CS1 CS humidity sensor:
Humidity
CS1 CS humidity sensor:
AD value
Humidity: 0 - 100%
AD value: 0 - 65535
CS2 HEATER
TEMP.
CS2 CS heater temperature
sensor: Temperature
CS2 CS heater temperature
sensor: AD value
Temperature: 0 - 255
degrees C
AD value: 0 - 65535
CS2 WARM
AIR TEMP.
CS2 CS warm air outlet port
temperature sensor:
Temperature
CS2 CS warm air outlet port
temperature sensor: AD value
Temperature: 0 - 255
degrees C
AD value: 0 - 65535
CS2 TEMP.
CS2 CS temperature sensor:
Temperature
CS2CS temperature sensor:
AD value
Temperature: 0 - 255
degrees C
AD value: 0 - 65535
CS2 RH
CS2 CS humidity sensor:
Humidity
CS2 CS humidity sensor:
AD value
Humidity: 0 - 100%
AD value: 0 - 65535
CS3 HEATER
TEMP.
CS3 CS heater temperature
sensor: Temperature
CS3 CS heater temperature
sensor: AD value
Temperature: 0 - 255
degrees C
AD value: 0 - 65535
CS3 WARM
AIR TEMP.
CS3 CS warm air outlet port
temperature sensor:
Temperature
CS3 CS warm air outlet port
temperature sensor: AD value
Temperature: 0 - 255
degrees C
AD value: 0 - 65535
CS3 TEMP.
CS3 CS temperature sensor:
Temperature
CS3 CS temperature sensor:
AD value
Temperature: 0 - 255
degrees C
AD value: 0 - 65535
CS3 RH
CS3 CS humidity sensor:
Humidity
CS3 CS humidity sensor:
AD value
Humidity: 0 - 100%
AD value: 0 - 65535
CS4 HEATER
TEMP.
CS4 CS heater temperature
sensor: Temperature
CS4 CS heater temperature
sensor: AD value
Temperature: 0 - 255
degrees C
AD value: 0 - 65535
CS4 WARM
AIR TEMP.
CS4 CS warm air outlet port
temperature sensor:
Temperature
CS4 CS warm air outlet port
temperature sensor: AD value
Temperature: 0 - 255
degrees C
AD value: 0 - 65535
CS4 TEMP.
CS4 CS temperature sensor:
Temperature
CS4 CS temperature sensor:
AD value
Temperature: 0 - 255
degrees C
AD value: 0 - 65535
CS4 RH
CS4 CS humidity sensor:
Humidity
CS4 CS humidity sensor:
AD value
Humidity: 0 - 100%
AD value: 0 - 65535
Display item
Content
Display range
Display
Content
HL_UM
Heater lamp main (Front surface of paper heat roller)
HL_US
Heater lamp sub (Front surface of paper heat roller)
HL_LM
Heater lamp main (Back surface of paper heat roller)
HL_UW
Upper assist heater lamp (Warm-up)
Display
Content
OC COPY LAMP
OC copy lamp
DSPF COPY LAMP
DSPF copy lamp
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