Dell 1135N Service Manual page 88

Alignment and Troubleshooting
Machine Test
Switch Test
Use this feature to test all keys on the operation control panel. The result is displayed on the LCD window
each time you press a key.
Test Param Set (Handset Model only)
You can set the parmeter for handset standard.
Caution : The parameter value is set at the best condition in the shipment from factory.
Modem Test
Use this feature to hear various transmission signals to the telephone line from the modem and to check
the modem. If no transmission signal sound is heard, it means the modem portion of the mainboard
malfunctioned has malfunctioned.
Dram Test
Use 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 TEST
Use 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 :1.00V
Shading Test
This function is to get the optimum scan quality out of
the CCD(Charge Coupled Device).
If the copy image quality is poor, perform this function
to check the condition of the CCD unit.
Restart Machine
You can reboot the machine by using a key without
mechanically rebooting.
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Service Manual