Lexmark Optra T Service Manual - Page 163

4069-XXX To run the Print Quality Test Pages: 1. Turn the printer off. 2. Press and hold Select and Return. 3. Turn on the printer. 4. Release the buttons once Performing the Self Test displays. 5. The printer performs its normal POR cycle then print one copy of the Print Quality Test pages. If you want more than one copy, perform these steps again. The following is printed on page 1. • Diagnostic EP Setup: - fuser temperature, warm up time, transfer, print contrast and charge roll settings. • Contents of the Diagnostic Error Log. • Printer configuration information: - printer serial number, controller code level, engine code level, operator panel code level, smart option code levels, font versions, and so on. • Values for the Quality Menu settings used to print the pages. Print Test with RIP (Controller Board) Removed This service mode allows you to test and/or service the printer without the controller board installed. You can verify that the motors, sensors, printhead and EP process are working correctly. You can also make meter measurements on the engine board connectors with the controller board removed. The test page consists of horizontal lines spaced approximately one inch apart down the page. To run the test: 1. Turn the printer off. 2. Remove the controller board and inner shield. 3. Turn the printer on. 4. Press Select to start the test after Start Print Test displays. The test is continuous. 5. Press Select once again to stop the test. Diagnostic Aids 3-25