QLS 2000/3000 Series Digital Color Printers
32
Printer Maintenance
5. Use an Astro-Med cleaning pad, a cotton swab, or a soft lint-free cloth wet
with isopropyl alcohol and run it on underside of each printhead, especially
on the hairline rows of print elements and along the edge of the struts.
6. Also clean the platen rollers, guide rollers, film guide shafts, pressure
rollers, and drive rollers.
7. Reinstall any label media and thermal transfer ribbon.
8. Replace the printhead cams and drive roller cam and lock them closed.
NOTE
NEVER USE A HARD OBJECT TO CLEAN THE PRINTHEADS.
DAMAGE WILL RESULT IF ACCUMULATED PRINTING
RESIDUE IS SCRAPED OR CHIPPED FROM THE PRINTHEAD.
Figure 18, Printer Parts that Accumulate the Most Residue
1 printhead
strut
2 print
line
3 pressure
roller
4 drive
roller
5 TTR
guide
shaft
6 platen
roller
7 TTR
guide
shaft
8 guide
roller
