IJ4000 Impulse Jet
Section 4: Troubleshooting
5765-018 Operations Manual Rev J
Page 36
Problem: Missing bottom print channels.
Possible Cause:
Ink build-up on lower orifices.
Action:
Wipe front plate with sponge swab (5760-832) and run Automatic Cleaning
System.
Problem: Fuzzy Print.
Possible Cause:
Print head too far away from substrate.
Action:
Move print head to within 1/8" from product.
Problem: Occasional checkerboard print pattern.
Possible Cause:
Encoder slipping or bouncing on belt.
Action:
Tighten encoder on belt; replace encoder o-rings, if required; replace con-
veyor belt with smooth seamless type belt.