As follows: followed by pressing "function" "9" "*" "8" "#" "7" "start" to enter. Multi-display machines as "softtch mode" available "#" or "*" to select. 

 

Generally have the following: 1. rom & ram check2. auto feeder mode3. aging mode4. panel key test (panel key test) 5. check pattern (to detect the print head) 6. product check7. signal send mode8. memory clear (memory clearing) 9. ccd adjust mode (for Sharp 254/130/107 want the old model of the machine) 

 

If the machine's scanner using a cis (such as Sharp fo-175/375, etc.), "shading mode" (blanking / compensation mode) is displayed. This feature is very useful, concrete will be described in detail in the future, "the head of the fax machine scans Guinness compensation" in the