Printhead Cleaning Procedure
Printhead performance and life are influenced by proper handling and cleaning.
•Dirt on the printhead that causes problems is often too small to see.
•Exercise care in handling printheads, as they are very susceptible to static. Use the wrist grounding strap and
•It is OK to scrub the printhead HARD to clean it. Use rubbing alcohol and the “loop side” or “wool side” of Velcro, followed by drying with rough, brown paper towels.
•If the printhead doesn’t work, take it out and clean it again.
•For maximum printhead life, clean the printhead after every roll change of ink or every 20,000 inches.
In Machine Cleaning Procedure
1.Stop the machine after the last batch has printed to avoid loosing data.
2.Turn the machine off.
3.Open the printhead carriage assembly.
4.Soak a small amount of rubbing alcohol on a cotton swab and apply to the printhead.
5.Scrub the printhead several times with hard force using the “wool side” of Velcro.
6.Dry the printhead with a dry, brown paper towel.
7.Shut the printhead carriage assembly and resume printing.
8.If a problem continues, remove the printhead and clean it.
Dirt along the print line.
Printhead cleaning when removed from the printer
1. | Remove the printhead. |
2. | Place the printhead upside down on the edge of a |
| clean table with the connector pug over the edge of |
| the table. |
3. | Soak a small amount of rubbing alcohol a cotton |
| swab and apply to the print line. |
Heavy finger pressure here
4. | Scrub the printhead several times using HARD |
| pressure with the “loop side” of Velcro. |
5. | Dry with a dry, brown paper towel. |
6. | Replace the printhead. |
Thumb here to hold against the table
Scrub here, hard pressure
Table edge
52 • Appendix C | User Manual Model 676 LOKPRINT® |
