Brother International HL-2600CN Service Manual - Page 366

7. HIDDEN FUNCTION MENU 7.1 Line Test Menu Hold down the + and - buttons and turn the print ON LINE TEST ----- < Press the Go button > Item Descriptions LCD TEST All columns of the LCD are turned on to 1 check that the LCDs are all displayed correctly. LED TEST All LEDs are turned on in LCD TEST above 2 and turned off in SW TEST below to check the LED performance. SW TEST The corresponding number appears when 3 pressing the button to check the performance of all buttons. SENSOR TEST The corresponding character appears when 4 the sensor performs to check the performance of all sensors. 5 RAM SIZE TEST Displays the size of the RAM installed in the printer and checks that the size is correct. 6 TRAY1 CHECK Displays the paper size of the installed cassette 1 to check it. 7 TRAY2 CHECK Displays the paper size of the installed cassette 2 to check it. FLASH CARD R/W TEST Implements the reading/writing test of the 8 compact flash card to check the interface and flash card. DRAM CHECK START ----- < Press the Go button > DRAM test mode NV-RAM CLEAR ----- < Press the Go button > SURE? (SET/ELSE) NV-RAM clear ROM/RAM WAIT SET ----- < Press the Go button > CARD/CART SEL (WAIT LEVEL = 4*) ROM/RAM wait setting (0 to 15) A-20