Xerox ColorQube 9303 Series Service Manual page 681

X-Stitch Defect Checkout
Refer to Figure 1.
Figure 1 X-stitch defect
Procedure
Perform dC971 Head to Head Alignment Adjustment up to 3 times. Print
cation Test Pages after each adjustment. The test pages are good.
Y N
Manually disable the IOD align calibration:
1. Enter dC131 NVM read/write NVM ID 490-41 and change value to 3.
2. Enter dC971 and start the routine.
3. Enter dC612 and print TP 16 and check the identification test pages.
The test pages are good.
Y N
Manually re-enable the IOD align calibration:
1. Enter dC131 NVM read/write NVM ID 490-41 and change value to 4.
2. Enter dC971 and start the routine.
3. Enter dC612 and print TP 16
A B
ColorQube® 9303 Family
TP 16 Stitch Identifi-
and check the identification test pages.
A B
The test pages are good.
Y N
Perform dC914
head stitch adjust motors,
adjust motors run.
Y N
Check the motion of the printhead X-axis drive motors,
and PL 91.25 Item
Go to the 91-504-00, 91-505-00
X-axis drive motors run.
Y N
Go to the 91-510-00, 91-511-00
Print TP 16. Check the test pages for good alignment following motion testing.
If the defect remains, perform the following:
1. Check for obstructions that block carriage and printhead motion.
2. Check the stitch adjust and roll adjust motor lead screws,
21 and PL 91.25 Item 21
3. Clean the IOD, refer to
4. Clean the drum, refer to
Perform SCP 5 Final Actions.
Perform SCP 5 Final Actions.
Print the colour bands test page,
Y N
Go to the Printhead Maintenance
If the stitch defect is still present, swap the print heads around to move the artifact to the
outside of the page.
Perform SCP 5 Final Actions.
February 2013
3-35
Head to Head Alignment Test. Check the motion of the print-
PL 91.20 Item 4 and PL 91.25 Item
5.
Printhead Stitch Motor Over Current RAP. The
X Axis Motor Over Current RAP.
for cracks. Install new components as necessary.
GP 27 Cleaning Procedure.
GP 27 Cleaning Procedure.
TP 26. The test page is good.
Checkout.
4. The stitch
PL 91.20 Item 5
PL 91.20 Item
Image Quality
IQ 9