Panasonic KX-FHD333BR, Service Manual

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7.3. TEST FUNCTIONS
The codes listed below can be used to perform simple checks of some of the unit’s functions. When complaints are received
from customers, they provide an effective tool for identifying the locations and causes of malfunctions. To do this, you set the
Service Mode (Refer to OPERATION (P.47)) first, then operate the below test items.
Test Mode Type of Mode Code Function
Operation after code
input
MOTOR TEST Service Mode “5” “5” “6” Rotates the transmission and reception motor to check the operation of the
motor.
12: Document feed
24: Recording paper is fed
Press [STOP] button to quit.
START
MODEM TEST Service Mode “5” “5” “4” Telephone line circuit is connected automatically, output the following signals on
the circuit line.
1) OFF 2) 9600bps 3)7200bps 4) 4800bps
5) 2400bps 6) 300bps 7) 2100Hz 8)1100Hz
START
ROM CHECK Service Mode “5” “5” “1” Indicates the version and checks the sum of the ROM.
START
SCAN CHECK Service Mode “5” “5” “5” Turns on the LEDs of the CIS and operates the read systems.
START
LCD CHECK Service Mode “5” “5” “8” Checks the LCD indication.
Illuminates all the dots to check if they are normal.
START
DTMF SINGLE TEST Service Mode “5” “5” “2” Outputs the DTMF as single tones. Used to check the frequencies of the
individual DTMF tones. Refer to DTMF SINGLE TONE TRANSMIT SELECTION
(P.51).
1....ON
2....OFF
KEY CHECK Service Mode “5” “6” “1” Checks the button operation.
Indicates the button code on the LCD while the button is pressed. Refer to
BUTTON CODE TABLE (P.51).
START (any key)
MEMORY CLEAR Service Mode “5” “5” “0” To reset the value to the default one, except the top margin (#853), time/day
(#001), logo (#002), Fax ID, History, Directory.
Please restart a power supply after clearing a memory.
START
LED CHECK Service Mode “5” “5” “7” All LEDs above the operation panel board flash on and off, or are illuminated.
START
PRINT TEST
PATTERN Service Mode “8” “5” “2” Prints out the test pattern.
Used mainly at the factory to test the print quality.
You can select 1~4. (See PRINT TEST PATTERN (P.52))
START
SENSOR CHECK &
VOX CHECK Service Mode “8” “1” “5” If you enter this mode and operate sensor levers with your hands, the LCD
display of the related sensor (or switch) turns ON / OFF. Also, when copying a
document, the related sensor will turn ON / OFF. ( Do, Sn, Co, Pt, Vx)
For each sensor’s operation, refer to SENSORS AND SWITCHES(P.135).
Do Sn Co Pt Vx : LCD DISPLAY
Do: Document set sensor
:Paper inserted. Turns on when a document is inserted.
Sn: Read position sensor.
:At the read position, turns on when the front cover is opened and the
sensor lever is pressed directory.
Co: Cover open sensor / Film end sensor
:Cover open of don’t set the film. Turns on and off when the front cover is
opened and closed.
Pt: Paper top sensor
:Sensor on Turns on when the front cover is opened and the sensor lever
is pressed directly.
Vx: Vox signal
:Detection signal for the tone on the line. Turns on when there is a tone
signal on the line.
START
Note:
The numbers in the boxes (XXX) indicate the keys to be input for the various test modes.
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KX-FHD333BR