Lexmark T652 Service Manual - Page 243

4062-XXX Diagnostics Menu (model T656) Entering Diagnostics Menu (model T656) 1. 2. 3. 4. Turn off the printer. Press and hold 3 and 6 buttons simultaneously. Turn on the printer. Release the buttons after 10 seconds. Available tests The tests display on the operator panel in the order shown: Note: Some menus are not available, depending on the configuration of the printer. Diagnostics Menu tests REGISTRATION Top Margin Bottom Margin Left Margin Right Margin Quick Test PRINT TESTS Tray 1 Tray 2 (if installed) Tray 3 (if installed) Tray 4 (if installed) Tray 5 (if installed) MP Feeder Envelopes - MP Feeder (if installed) Printing Quality Pages HARDWARE TEST Panel Test Button Test DRAM Test USB HS Test Mode DUPLEX TESTS (if installed) Quick Test Top Margin Sensor Test Motor Test Duplex Feed 1 Duplex Feed 2 INPUT TRAY TESTS Feed Tests See "Printing Quality Pages" on page 3-35 See "HARDWARE TESTS" on page 3-36 See "Panel Test" on page 3-36 See "Button Test" on page 3-36 See "DRAM Test" on page 3-37 See "USB HS Test Mode" on page 3-37 See "DUPLEX TESTS" on page 3-38 See "Quick Test (duplex)" on page 3-38 See "Top Margin (duplex)" on page 3-38 See "Sensor Test (duplex)" on page 3-39 See "Motor Test (duplex)" on page 3-39 See "Duplex Feed 1" on page 3-40 See "Duplex Feed 2" on page 3-40 See "INPUT TRAY TESTS" on page 3-40 See "Feed Tests (input tray)" on page 3-40 See "Quick Test" on page 3-34 See "PRINT TESTS" on page 3-35 See "Registration (printer)" on page 3-33 Diagnostic aids 3-31