44. How to change the printing port is available when it showed” Printing port is on used”? .................... 4845. How to cancel a printing job in the queue? ............................................................................................ 4946. Is it possible to close the ‘Auto sleeping time’? ...................................................................................... 5147. How to get the printer to print darker under Windows? ....................................................................... 5248. How to get the printer to print darker under Mac? ............................................................................... 5349. How to “add a printer “by manually under Windows?........................................................................... 5450. How to “add a printer “by manually under Mac? ................................................................................... 5851. How to download the User Manual Successfully? .................................................................................. 6052. How to Print Information Pages from M6700/M7100 Series Printer? ................................................... 6353. How to Print Information Pages from M6800/M7200 Series Printer? ................................................... 6454. How to Restore Factory Setting on M6700/M7100 Series Printer? ....................................................... 6555. How to Restore Factory Setting on M6800/M7200 Series Printer? ....................................................... 6656. How to set the language back to English on M6700/M7100 Series Printer? ......................................... 6857. How to set the language back to English on M6800/M7200 Series Printer? ......................................... 7058. How to do when it shown “0x000000709” Error? ................................................................................ 7159. How to Print PRN File setting in printer? ................................................................................................ 74⑥ Scan Issues: .................................................................................................................................................. 7760. How to Scanning on Linux System?................................................................................................ 7761. Why it is unavailable for the “scanning to email”? ........................................................................ 7962. How to merge multi-page scanned documents into one PDF from M6700/M7100 Series Printer?8163. How to merge multi-page scanned documents into one PDF from M6800/M7200 Series Printer?82⑦ Fax Issues—For M6800/M7200 Series Printer ............................................................................................... 8464. How to change the fax report status on M6800/M7200 Series Printer? .................................... 8465. How to close the fax report setting on M6800/M7200 Series Printer?......................................... 8566. How to setting the Fax sending report on M6800/M7200 Series Printer?.................................... 87