Panasonic KX-FT72BR-G, Service Manual

Page: 82 / 163

2.5. TEST FUNCTIONS
Test Mode Type of Mode Code Function
Operation after code
input
PRINT TEST Service Mode “8” “5” Prints a test pattem and checks the thermal head for abnormalities (missing dots,
etc), and also checks the operation of the reception motor.(Refer to JOURNAL
3(P.81).)
START
MOTOR TEST Service Mode “5” “5” “6” Rotates the transmission and reception motors to check the operation of the
motors.
0.....Stop
1.....Turn forward TX roller at 400pps 2-2 phase
2.....Turn forward TX roller at 400pps 1-2 phase
3.....Turn forward RX roller at 400pps 2-2 phase
4.....Turn forward RX roller at 400pps 1-2 phase
5.....Turn forward TX/RX roller at 400pps 1-2 phase
6.....Reverse the motor at 400pps 1-2 phase
7.....Set the cam gear to the home position
8.....Set the cam gear to the RX mode
9.....Set the cam gear to the copy mode
press the STOP button to cansel.
START
MODEM TEST Service Mode “5” “5” “4” Sends four kinds of FAX signals to check the sending function of the modem.
1)1100 Hz: Consecutive signal of EOM for tonal
2)2100 Hz: G2 carrier signal
Consecutive of CED signal
3)G3,V29 training signal [modulation wave of carrier signal (1700 Hz )]
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” Tums on the LEDs of the image sensor 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.83).
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.83).
START (any key)
FACTORY SET Service Mode “5” “5” “0” Clears the memory where the users can store data.
START
SENSOR CHECK &
VOX CHECK Service Mode “8” “1” “5” CHECKS THE SENSOR OPERATION
After entering this mode, perform the copy operation.
For each sensor’s operation, refer to SENSORS AND SWITCHES(P.118).
Do Sn Pa : 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.
Pa: Recording Paper Sensor
:Set Recording Paper. Turns on and off when the cassette lock lever is
pushed down and up.
START
82
KX-FT72BR-G