Xerox ColorQube 9303 Series, Service Manual

Page: 1579 / 1812

February 2013
6-287 ColorQube® 9303 Family
dC914
General Procedures/Information
dC914 Head to Head Alignment Test
Purpose
The dC914 Head to Head Alignment Test is a set of internal test routines to help identify head
to head alignment issues.
NOTE: Ensure that the front door interlock switch is cheated when running the routines.
Procedure
1. Enter service mode, GP 1 .
2. Select the Diagnostics tab.
3. Select dC914 Head to Head Alignment Test.
4. There are 10 routines listed under Test Options.
Select the component to test from the list.
• Move IOD Scan Bar
a. Remove the cleaning unit, refer to REP 94.1 .
b. Remove the abatement plenum, REP 91.36 .
c. Select the required position from the drop down menu:
– Home
– Park
– Front
– Rear
d. Select Set Position to begin the test and move the IOT scan bar to the selected
position.
NOTE: If an error occurs the IME will stop the test and report the appropriate
error message.
e. Reinstall the cleaning unit and the abatement plenum.
f. Select another test or Close the window and select Call Closeout.
• Move Upper Stitch Motor/Move Lower Stitch Motor
NOTE: The procedure is the same for each stitch motor.
a. Fully open the marking unit for observation, GP 6 .
b. Select the required test option to move the motor and observe the motion
NOTE: If an error occurs the IME will stop the test and report the appropriate
error message.
c. Close the marking unit after observing the motor, GP 6 .
d. Select another test or Close the window and select Call Closeout.
NOTE: The printheads will be unaligned whenever a stitch motor is moved. Refer to
dC971 Head to Head Alignment Adjustment to align printheads.
• Move Roll Motor 1, 2, 3 or 4
NOTE: There is one roll motor per printhead (1, 2, 3 and 4).
The procedure is the same for each motor.
a. Fully open the marking unit for observation, refer to GP 6 .
b. Select the required test option to move the motor:
– Start Motion
– Observe Motion
NOTE: If an error occurs the IME will stop the test and report the appropri-
ate error message.
c. Close the marking unit after observing the motor, refer to GP 6 .
d. Select another test or Close the window and select Call Closeout.
NOTE: The printheads will be unaligned whenever a roll motor is moved. Refer to
dC971 Head to Head Alignment Adjustment to align printheads.
NOTE: If a large roll motion is performed, Y norm (process direction) may be out of
calibration.
• Move Upper Carriage Motor/Move Lower Carriage Motor
NOTE: There is one motor for each carriage:
– Lower carriage – directly attached to head 3 (anchor head)
– Upper carriage – directly attached to head 4
The procedure is the same for each motor.
a. Fully open the marking unit for observation, GP 6 .
b. Select the required test option to move the motor.
– Home Motor
– Observe Motion
NOTE: If an error occurs the IME will stop the test and report the appropriate
error message.
c. Close the marking unit after observing the motor.
d. Select another test or close the window and select Call Closeout.
NOTE: The printheads will be unaligned whenever a carriage motor is moved.
Refer to
dC971 Head to Head Alignment Adjustment to align printheads.
• Measure Head Alignment
NOTE: This routine will measure the head alignment using a front scan and then a
rear scan. No adjustments will be made.If a fault occurs on either scan, the scan will
terminate and the appropriate chain-link-extension will be returned.
a. Select Measure to measure the head alignment.
b. The results are combined into a table for analysis (values that are not applica-
ble to a particular scan are left blank for clarity).
c. Select another test or Close the window and select Call Closeout.
5. After moving any motor run dC971 Head to Head Alignment Adjustment