Epson DFX-8000 User Manual - Page 91

Operating the Control Panel FRONT/REAR When the printer is off line, press this button to select the front or rear tractor. If you have been using paper loaded on one tractor, first remove the printed output before switching to the other tractor. When you switch tractors, the printer feeds the paper that is already loaded backward to the standby position and loads paper on the newly selected tractor. Other control panel f@ures The control panel also gives you access to several special functions. Self test: You can run the self test to check whether your printer operates properly. The self test prints the current DIP switch settings and the characters in the printer's ROM (Read Only Memory). Your printer offers both draft and NLQ self tests. To start the self test, hold down the LINE FEED or FORM FEED button and turn on the printer. See the section on running the self test in Chapter l'for more information. Data dump: To enter data dump mode, hold down the LINE FEED and' FORM FEED buttons and turn on the printer. This feature prints the codes that are sent to'the printer so that advanced users can determine the cause of communication problems between the computer and printer. See the section on data dump mode in this chapter for more information. 3-6 Using the Printer