Panasonic KX-FP342BX Service Manual

6.3. TEST FUNCTIONSThe codes listed below can be used to perform simple checks of some of the unit’s functions. When complaints are receivedfrom customers, they provide an effective tool for identifying the locations and causes of malfunctions. To do this, you set theService Mode (Refer to OPERATION (P.47)) first, then operate the below test items.Test Mode Type of Mode Code FunctionOperation after codeinputMOTOR TEST Service Mode “5” “5” “6” Rotates the transmission and reception motor to check the operation of themotor.12: Document feed24: Recording paper is fedPress [STOP] button to quit.STARTMODEM TEST Service Mode “5” “5” “4” Telephone line circuit is connected automatically, output the following signals onthe circuit line.1) OFF 2) 9600bps 3)7200bps 4) 4800bps5) 2400bps 6) 300bps 7) 2100Hz 8)1100HzSTARTROM CHECK Service Mode “5” “5” “1” Indicates the version and checks the sum of the ROM.STARTSCAN CHECK Service Mode “5” “5” “5” Turns on the LEDs of the CIS and operates the read systems.STARTLCD CHECK Service Mode “5” “5” “8” Checks the LCD indication.Illuminates all the dots to check if they are normal.STARTDTMF SINGLE TEST Service Mode “5” “5” “2” Outputs the DTMF as single tones. Used to check the frequencies of theindividual DTMF tones. Refer to DTMF SINGLE TONE TRANSMIT SELECTION(P.51).1....ON2....OFFKEY CHECK Service Mode “5” “6” “1” Checks the button operation.Indicates the button code on the LCD while the button is pressed. Refer toBUTTON 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.STARTLED CHECK Service Mode “5” “5” “7” All LEDs above the operation panel board flash on and off, or are illuminated.STARTPRINT TESTPATTERNService 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))STARTSENSOR CHECK &VOX CHECKService Mode “8” “1” “5” If you enter this mode and operate sensor levers with your hands, the LCDdisplay of the related sensor (or switch) turns ON / OFF. Also, when copying adocument, 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 DISPLAYDo: 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 thesensor 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 isopened and closed.Pt: Paper top sensor:Sensor on Turns on when the front cover is opened and the sensor leveris pressed directly.Vx: Vox signal:Detection signal for the tone on the line. Turns on when there is a tonesignal on the line.STARTNote:The numbers in the boxes (XXX) indicate the keys to be input for the various test modes.50KX-FP342BX