Usb Hs Test Mode; Beacons Test; Duplex Tests; Duplex Quick Test - Lexmark C792 series Service Manual

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USB HS Test Mode

If the test fails, replace the failing USB cable.
1. From the Diagnostics menu, navigate to:
HARDWARE TESTS > USB HS Test Mode
2. Select the desired Port.
3. Select the desired Test.
Ports
Port 0
Port 1
Port 2
Port 3
To cancel the test, turn the printer off.

Beacons Test

Select On to turn on all printer beacons. The beacons remain on until you select Off.

DUPLEX TESTS

Duplex Quick Test

This test verifies if the Duplex Option Top Margin is set correctly. This test prints a duplexed version of the Quick
Test Page that can be used to adjust the Top Margin for the back of the duplexed page. You can run one
duplexed page (Single) or continue printing duplexed pages (Continuous) until Stop (
You must use either Letter or A4 paper.
1.
From the Diagnostics menu, navigate to:
DUPLEX TESTS > Duplex Quick Test
2.
Select Single or Continuous.
•
The single test cannot be canceled.
•
The printer attempts to print the Quick Test Page from the default paper source. If the default paper
source supports only 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.
•
If adjustment is necessary, the Top Margin in the Registration menu must be adjusted first. The
Duplex Top Margin Offset may be adjusted next.
•
A positive offset moves the text down the page and widens the top margin, while a negative offset
moves the text up the page and narrows the top margin.
3.
Press Stop (

Duplex Top Margin Offset

Modification of this setting controls the offset between the placement of the first scan line on the front and back
side of a duplex sheet.
Changing the value by 1 unit moves the margin by 1/100 inches. A positive value moves the text down the page
and widens the top margin. A negative value moves the text up the page and narrows the top margin.
Touch Back to return to the DUPLEX TESTS menu.
3-16
Service Manual
Tests
Test J
Test K
Test SEO NAK
Test Packet
Test Force Enable
X
) to cancel the test.
X
) is pressed.
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