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Maintenance and Troubleshooting 45
D. CLEANING THE PRINT HEAD
It may be necessary to clean the print head nozzles if you notice
reduced print quality, or if you suspect a nozzle has become
slightly dried out or clogged. If the printer has been switched
off for several weeks you may have to perform both the auto-
matic and manual method multiple times.
Tips: 1. The 4100 will automatically do periodic print head mainte-
nance to keep it ready for printing. However, this will only
occur if you leave it plugged in and turned on.
2. Purchase a backup print head to maintain uniterrupted
printing capability. Part Number 053451.
Automatic method:
1. Open PTPublisher.
2. Go to the Tools Menu - Choose Printer Properties.
3. Click the Clean Print Head button. Several cleaning cycles
may be necessary. If you see improvement after the first
clean, it is very likely that one or two more prints will clean
the print head completely.
Important Note: Always perform multiple Automatic cleans before
attempting to manually clean the print head. Manually clean the
print head as a last resort. The nozzles on a print head are extremely
delicate, manually cleaning can actually cause damage to a print head.
Manual method:
1. Remove the print head using the instructions in Section 5E.
2. Moisten a lint-free
cloth with water.
3. Hold the cloth against the nozzles for three seconds. This
will “wick” some additional ink
onto the damp cloth.
4. Wipe in one direction only.
5. Repeat the process until all colors
appear evenly on the cloth.
6. Finally, clean the copper contacts
on the back of the printhead and
on the carriage.
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