Samsung CLX-3175N/XAZ Service Manual

Also see for CLX-3170: Service manual User guide Quick install guide

Contents

Alignment & TroubleshootingService Manual 4-14 Samsung Electronics4.1.6.4 Machine TestSWITCH TESTUse this feature to test all keys on the operation control panel. The result is displayed on the LCD windoweach time you press a key.MODEM TESTUse this feature to hear various transmission signals to the telephone line from the modem and to check themodem. If no transmission signal sound is heard, it means the modem part of the main board malfunctioned.DRAM TESTUse this feature to test the machine’s DRAM. The result appears in the LCD display.If all memory is working normally, the LCD shows << O K >>ROM TESTUse this feature to test the machine’S ROM. The result and the software version appear in the LCD display.• FLASH VER : 1.00 V• ENGINE VER :1.00VSHADING TESTThe function is to get the optimum scan quality by thespecific character of the CIS(Contact Image Sensor).If the copy image quality is poor, perform this function tocheck the condition CIS unit.< Method >1. Select the [ADJUST SHADING] at the TECH MODE.2. Push the SET UP button then an image will be scanned.3. After the scan, CIS SHADING PROFILE will beprint out.4. If the printed image is different to the image, theCIS is defect.NOTICE : When you test CIS, make sure that thecover is closed.4.1.6.5 ReportPROTOCOL LISTThis list shows the sequence of the CCITT group 3 T.30 protocol during the most recent sending or receivingoperation. Use this list to check for send and receive errors. If a communication error occurs while themachine is in TECH mode, the protocol list will print automatically.OTHER ITEMThis list provides a list of the user system data settings and tech mode settings.