Brother International MFC 845CW Users Manual - English - Page 159
Phone line interference, Routine maintenance, Replacing the ink cartridges
UPC - 012502615828
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Troubleshooting and Routine Maintenance Phone line interference B If you are having problems sending or receiving a fax due to possible interference on the phone line, we recommend that you adjust the Equalization for compatibility to reduce the modem speed for fax operations. a Press Menu. b Press a or b to choose Fax. Press OK. c Press a or b to choose Miscellaneous. Press OK. d Press a or b to choose Compatibility. Press OK. e Press a or b to choose Normal (or Basic). Basic reduces the modem speed to 9600 bps. Unless interference is a recurring problem on your phone line, you may prefer to use it only when needed. Normal sets the modem speed at 14400 bps. (factory setting) Press OK. f Press Stop/Exit. Note When you change the compatibility to Basic, the ECM feature is only available for color fax sending. Routine maintenance B Replacing the ink cartridges B Your machine is equipped with an ink dot counter. The ink dot counter automatically monitors the level of ink in each of the 4 cartridges. When the machine detects an ink cartridge is running out of ink, the machine will tell you with a message on the LCD. The LCD will tell you which ink cartridge is low or needs replacing. Be sure to follow the LCD prompts to replace the ink cartridges in the correct order. Even though the machine tells you that an ink cartridge is empty, there will be a small amount of ink left in the ink cartridge. It is necessary to keep some ink in the ink cartridge to prevent air from drying out and damaging the print head assembly. a Open the ink cartridge cover. If one or more ink cartridges are empty, for example Black, the LCD shows Ink Empty and Black. b Pull the lock release lever down and take out the ink cartridge for the color shown on the LCD. 143