Printer systems 15
Printer systems
The HP Designjet L25500 printers requires a hot print zone (with additional airflow) to allow the
evaporation of the majority of the water in the latex inks. This feature, plus the new media supported,
changes a little the main contributors of the cockle control and media expansion from the former products
and also adds new issues such as the thermal marks. The platen gives a convenient shape to the heated
media, avoiding differential temperatures because of platen conductivity.
The main components for 60’’ SKU are:
• OVD & Platen assy 60 including:
• 7 DJ25500 printer platen + 1 OMAS platen + 1 interplaten 60 + 1 platen right end + 1 platen
left end
• Linear blade 60 + springs (same as DJZ6100)
• OVD shafts and wheels (same as DJZ6100)
• Foams, foam fillings and foam wall
• ESD brushes
• OVD gears (same as DJZ6100)
• Vacuum Fan Assembly shown below (same as DJZ6100)
• OVD & Platen assy 42 including:
• Five DJL25500 platen + 1 OMAS platen + 1 platen right end + 1 platen left end
• Linear blade 42 + springs (same as DJZ6100)
• OVD shafts and wheels (same as DJZ6100)
• Foams, foam fillings and foam wall
• ESD brushes
• OVD gears (same as DJZ6100)
• Vacuum Fan Assembly includes a new foam structure which improves the control of the vacuum.
Related tests, utilities, and calibrations
• Rewinder test ⇒ Page 133.
• Drive Roller test ⇒ Page 135
• Substrate Path sensor test ⇒ Page 138
• Vacuum Test ⇒ Page 142.
• OMAS Test ⇒ Page 142.
• Rewinder Motor polarity test ⇒ Page 143
• Media path menu ⇒ Page 188
• Substrate advance adjustment⇒ Page 197
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