
Integrated Valve
Section 7: Troubleshooting
5760-107 Operations Manual Rev C
Page 45 of 86
NOTE:
Pre-load adjustment should be performed after all other causes are eliminated.
PRINT QUALITY
PROBLEM
POSSIBLE CAUSE
Internal Dot Size Variation
•
Low ink pressure
Extra Dots
•
High ink pressure
•
Pulse width set too high
•
Incorrect pre-load
Tails
•
Print head too far from the target
•
Pulse width set too high
•
Incorrect pre-load
Splatter
•
Print head too far from the target
•
Pulse width set too high
•
Incorrect pre-load
Undersized Dot
•
Low ink pressure
•
Pulse width set too low
•
Incorrect pre-load
Stuck Open Valve
•
High ink pressure
•
Pulse width set too high
•
Incorrect pre-load
Oversized Dot
•
High ink pressure
Off Target Printing
•
Print head too far from target
•
Low ink pressure
No Print
•
Low ink pressure
•
Pulse width set too low
•
Print head failure
•
Controller or cabling failure
Dot Columns Out of Alignment
•
Internal line speed turned on
•
Incorrect direction selected in software
Smearing Print
•
Print head too close to target
•
Incorrect ink usage for your application
Satellites
•
Print head too far from target
Message is Broken
•
Photocell is triggering multiple times per box
•
Loose cable connections
Garbled Printing
•
System improperly grounded
•
Excessive line noise
Dynamic Seepage
•
Pulse width set too low
•
Low ink pressure
•
Incorrect pre-load
Static Seepage
•
High ink pressure
•
Incorrect pre-load
Missing Dots
•
Pulse width set too low
•
Clogged orifice
Summary of Contents for Diagraph IJ3000
Page 2: ......
Page 8: ...Integrated Valve Page iv of iv 5760 107 Operations Manual Rev C ...
Page 10: ...Integrated Valve Section 1 Introduction Page 2 of 86 5760 107 Operations Manual Rev C ...
Page 12: ...Integrated Valve Section 2 Safety Page 4 of 86 5760 107 Operations Manual Rev C ...
Page 22: ...Integrated Valve Section 3 System Components Page 14 of 86 5760 107 Operations Manual Rev C ...
Page 60: ...Integrated Valve Section 7 Troubleshooting Page 52 of 86 5760 107 Operations Manual Rev C ...
Page 76: ...Integrated Valve Appendix C Parts and Supplies Page 68 of 86 5760 107 Operations Manual Rev C ...