Lexmark T620 Service Manual - Page 167

4069-5XX/7XX 3. Diagnostic Aids This chapter explains the tests and procedures to identify printer failures and verify repairs have corrected the problem. Diagnostic/Configuration Menu Diagnostic Menu - Used to help test and diagnose printer and attached option problems. Configuration Menu - Contains a set of menus, settings, and operations that are generally used to configure the printer for operation. Such menu setting as Resetting the Maintenance Count is included in this menu. The following table lists the tests as they are displayed on the Diagnostic Test Menu screens. Tests Registration If selected, the following menu selections are available: • The Video Frequency Test runs automatically, then the margin values screen is displayed. Print Tests If selected, the following menu selections are available: 1.Tray x is displayed (x-Tray selected 1,2,3,4,or 5). 2.MP Feeder is displayed. 3.Envelope Feeder (if installed) 4.Print Quality Test Pages are displayed. Refer to Test Page "Registration" on page 3-28 "Print Tests" on page 3-33 Diagnostic Aids 3-1