IJ4000 Impulse Jet
Section 4: Troubleshooting
5765-018 Operations Manual Rev J
Page 35
Section 4: Troubleshooting
The IJ4000 ink jet system incorporates advanced designs, both in hardware and in software. However, if the system ever fails to perform prop-
erly, some built-in indicators will help in troubleshooting. This section will help minimize system downtime and explain some of the diagnostic fea-
tures built into the system.
Print Quality
This section shows examples of various print problems and actions which should be taken to improve the print.
Problem: Minor fractures in print channels.
Possible Cause:
Debris on front plate, air in channel.
Action:
Run Automatic Cleaning System (ACS), using a foam swab to assist in
removal of debris.
Problem: Missing Channels and Channel fractures in print channels.
Possible Cause:
Excessive debris on front plate, air in channel.
Action:
Wipe front plate and run Automatic Cleaning System (ACS), using a foam
swab to assist in removal of debris.
Problem: Missing print channels.
Possible Cause:
Air in channel.
Action:
Run Automatic Cleaning System. If air cannot be removed by running an
ACS cycle, run a Prime Cycle per instructions in “Missing Print” on page 23.