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<printer id="printer/HP-PhotoSmart_7550">
<make>HP</make>
<model>PhotoSmart 7550</model>
<mechanism>
<inkjet />
<color />
<resolution>
<dpi>
<x>4800</x>
<y>1200</y>
</dpi>
</resolution>
</mechanism>
<lang>
<pcl level="3" />
<text>
<charset>us-ascii</charset>
</text>
</lang>
<autodetect>
<general>
<ieee1284>MFG:hp;MDL:photosmart 7550;CID:hpdeskjet_5550A851;CMD:MLC,PCL,PML,DW-PCL,DYN,DESKJET;CLS:PRINTER;DES:hp photosmart 7550;</ieee1284>
<commandset>MLC,PCL,PML,DW-PCL,DYN,DESKJET</commandset>
<description>hp photosmart 7550</description>
<manufacturer>hp</manufacturer>
<model>photosmart 7550</model>
</general>
</autodetect>
<functionality>A</functionality>
<driver>hplip</driver>
<comments>
<en>
For basic printing functionality use the <a href="
http://hplipopensource.com/">HPIJS driver </a>.
For advanced functionality such as printer status, maintenance
features, and photo card unload use the <a href="
http://hplipopensource.com/">HPLIP driver</a>
(which includes HPIJS). <p>
HP's first 7-ink printer using three cartridges at once, a
standard color (CMY), a black (K), and a photo cartridge (probably
cmk). Because the printer's hardware does all dithering internally
when HP's HPLIP driver is used, 7-ink printing is
fully functional under free operating systems.<p>
It has ports on the side for inserting SmartMedia, CompactFlash,
IBM Microdrive, SD, or Sony Memory Stick digital "film" and
has a color LCD panel which displays your photos (as a digital
camera does) so that you can select pictures to print easily. This
way one can use the device as a digital photo lab without
PC.<p>
It has a USB port on its front side to directly connect a digital
camera (HP only).<p>
Border-less (full bleed) printing on paper sizes up to
Oufuku-Hagaki is supported with the HPLIP
driver.<p>
Best output quality reachable with the HPLIP driver
(printer compatible to HP DeskJet 990C), especially the 1200-dpi
high resolution mode gives excellent photo quality.<p>
When used with HP's HPLIP driver, this printer
auto-detects the paper type and ink cartridge type and does
appropriate dithering and colour adjustment internally, controlled
by the hardware. So even when Ghostscript with the
HPLIP driver only renders the image with 300 or 600
dpi, the higher resolutions are used for the internal
dithering. So if you insert photo paper, the printer will print in
photo quality, no paper type choice in the driver's options
is needed. There is also a special high resolution mode where the
image is rendered in 1200 dpi and interpolated to 4800x1200 dpi by
the hardware, without paper detection, intended for photo paper
only.<p>
This printer supports an optional duplex unit (probably supported
by the HPLIP, "cdj970", and "pcl3"
drivers).<p>
When the black and/or the photo cartridge is not installed the
printer does not stop working, it switches automatically to a 6-,
4-, or even 3-ink process and goes on printing, but slower and in
an appropriately lower quality.<p><p>
Consumables/Refills: Refill: 1 black, 1 photo, 1 color cartridge<p>
</en>
</comments>
</printer>
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