Xerox Nuvera 100, Service Manual

Page: 115 / 304

Troubleshooting 3-15
Table 3-1. Printhead Troubleshooting
ACTION: LOOK FOR: WHAT NEXT:
Identify Printhead:
1. Get printhead serial number. ❑
1. Enter serial #:
_______________
❑
Go to ACTION 2.
Determine Problem:
2. Check printhead drive voltage.
3. rint Service Test Print 2: Weak and
Missing Jets.
❑
2. Head Adjust setting of 128.
❑
3A. color mixing from one row to the
next row for same jet.
❑
3B. weak or missing jet(s).
❑
2. If Head Adjust is not 128, set it to 128.
Go to ACTION 3.
❑
3A. If so, replace CWP: ACTION 9.
❑
3B. If so, go to ACTION 4.
Inspect Printhead and CWP:
4. Visually check printhead faceplate.
5. Visually check CWP wiper and gasket.
❑
4A. streaks or smudges of wax in the
et area of the printhead
❑
4B. tiny wax droplets (V-shape) inside
the ring where the CWP gasket seals
against the printhead faceplate.
❑
5A. any separation on the wiper blade,
or pitting of the CWP gasket.
❑
5B. good visual inspection (4A-5A).
❑
4A. If so, wiper is damaged. Replace
CWP: ACTION 9.
❑
4B. If so, CWP is leaking. Adjust HTD
gap, or if gasket is damaged, go to
ACTION 9. Otherwise, go to ACTION 5.
❑
5A. If so, replace CWP: ACTION 9.
❑
5B. If so, go to ACTION 6.