Lexmark Optra T Service Manual - Page 161

4069-XXX Print Contrast The print contrast setting controls the developer voltage offset. The print contrast can be adjusted as follows: • LOW • MEDIUM • HIGH Charge Roll The charge roll can be adjusted as follows: • LOW • MEDIUM • HIGH Print Tests The purpose of the diagnostic Print Tests is to verify that the printer can print on media from each of the installed input options. Each of the installed options is listed in the following order in the menu: Tray 1 Tray 2 (if installed) Tray 3 (if installed) Tray 4 (if installed) Tray 5 (if installed) Multipurpose Feeder (if installed) Envelope Feeder (if installed) For each input source selected you have the following choice: • Single (prints the Print Test Page once) • Continuous (continue printing the Print Test Page until Return or Stop is pressed). Diagnostic Aids 3-23