3-12 Service Manual
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8. Look at the coarse and fine adjustments on the top left of the page, and then enter the best number for the
top adjustment in the T space. Transfer this number over to the computation area for Z.
9. On the touch panel, select Top Margin. Use to decrease or to increase the computed value for T,
and then touch Submit.
10.Repeat this process for skew (Z). Add the T value and the current Z value to obtain the new skew (Z)
value.
Reprint the Quick Test page after each change, and then observe the results. Make additional adjustments
if necessary before proceeding on to Quick Test step two page.
11. Obtain left (L), right (R), and Bow (P) value using the same method as obtaining T from Quick Test Step 1.
Reprint the Quick Test to ensure the settings are correct. Make additional adjustments as required.
12. Press Back to return to ALIGNMENT Menu.
See “Printhead mechanical alignment” on page 4-9 for printout samples and additional information.
Motor tests
The motor tests are run primarily to locate noises in the printer.
General motor tests procedures
In some instances, when you enter a particular test, you will be given the choice to run the motor in forward or
reverse. Other times, there will only be the option to run the motor in forward direction.
In general, the test should work as follows:
1. Touch MOTOR TESTS from Diag Menu.
2. Select the motor that you need to test.
3. Check the table below for setup requirements, if any.
4. Select the direction if a choice is offered (Forward or Reverse) or other setting for that test.
Press Stop ( ) to stop the motor. Touch Back to return to the previous menu.
The following tests require special setup before running the test (not shown in the same order as the menu):
Motor test
Setup requirements
Values in
menu
Notes
Top cover
position
Lower door
position
Align Motor Test N/A Closed* Forward,
Reverse
*If this test is run with the lower door
open, perform the following actions in
order to activate the motor power:
Remove the right side cover and
manually activate the 24 V interlock
switch on the end of the top cover cam
shaft and the 5 V interlock switch.
Fuser Closed Closed* Forward,
Reverse
Cart 1 N/A Open Forward Remove the right cover to observe the
motors moving. See “Right cover
removal” on page 4-41.
Cart 2 N/A Open Forward
Cart 3 N/A Open Forward
Transfer Belt Closed Closed Touch green
arrow
Tray 1 Not applicable Not applicable Forward Remove all paper from the input source
tray to avoid paper jams while
performing this test.
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