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1-14 Important Operating Notes
Important Operating
Notes
• UV CURE INK IS PERISHABLE. Unlike
other inks used in wide format printing, UV
cure ink has a limited shelf life. Plan to rotate
your ink stock and use it promptly by the date
printed on the ink box.
• DO NOT POWER DOWN THE PRINTER. Constant vacuum
at the printheads is required to prevent ink from flowing from
the printheads when not printing. If the printer must be pow-
ered down for shipping, contact Technical Services for
instructions.
Caution Do not switch off the UV lamp power supply
unless the lamps have fully completed their con-
trolled cool-down cycle (with fans and heat extrac-
tion). Removing power from hot lamps can result in
overheating and permanent damage. If sudden
removal of power occurs, contact technical support
before starting the printer again.
Caution Do not connect any equipment to the line condi-
tioner for the UV power supply, except as specified
in this manual.
• To dab the printheads, use only genuine HP Scitex MF50
Flushing Solution. (See “Recover Missing Ink Jets” on page
6-11 for instructions.) DO NOT USE ISOPROYPL ALCO-
HOL.
• The maximum diameter allowed on the takeup spool is 7.0
inches (178 mm) on a 3-inch core. When the takeup spool
has a diameter of 6.5 inches (165.0 mm) or more, the con-
trol panel displays a warning about possible print quality
issues. The supply-takeup system can support rolls of up to
approximately 125 pounds (56.7 kg).
• The media supply may be wound either printed-side-out or
printed-side-in, but the takeup, if used, must be loaded
printed-side-in.
• The default head height set to 0.085 inches (2.2 mm) above
the media. (The space below the carriage will be 0.070
inches due to the printhead protection frame around the out-
side of the carriage.)