Lexmark X658DFE Service Manual - Page 242

7462 USB HS Test Mode 1. Select USB HS Test Mode from HARDWARE TESTS. 2. Press until the appears next to the Port to be tested, and then press . 3. Select the desired Test, and then press . Port Port 0 Port 1 Port 2 Port 3 Test Test J Test K Test SEO NAK Test Packet Test Force Enabled Test J Test K Test SEO NAK Test Packet Test Force Enabled Test J Test K Test SEO NAK Test Packet Test Force Enabled Test J Test K Test SEO NAK Test Packet Test Force Enabled Appears on the display USB High Speed Certification Testing... USB High Speed Certification Testing... USB High Speed Certification Testing... USB High Speed Certification Testing... To stop testing before completion, turn the printer off. DUPLEX TESTS Quick Test (duplex) This test prints a duplex version of the Quick Test that can be used to verify that the correct placement of the top margin on the back side of a duplex page. You can run one duplexed page (Single), or continue printing duplexed pages (Continuous) until Stop is pressed. For information about changing the margin, see "Top Margin (duplex)" on page 3-17. Note: Before you set the duplex top margin, be sure to set the registration. See "Registration (printer)" on page 3-11. The paper you choose to print the page on should be either Letter or A4. To run the Quick Test (duplex): 1. Touch to select Quick Test from DUPLEX TESTS. 2. Touch to select Single or Continuous. • The single Duplex Quick test cannot be canceled. • The printer attempts to print the Quick Test Page from the default paper source. If the default paper source only supports envelopes, then the page is printed from Tray 1. • Check the Quick Test Page for the correct offset between the placement of the first scan line on the front and back side of a duplexed sheet. The single test stops automatically when a single duplex sheet is printed, and the continuous test continues until you press Stop . 3-16 Service Manual