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Due to this fact, the Cutter assembly must be replaced during any on-site repair (refer to page 8-21 of the HP Designjet 400 Series Service Manual for teardown procedures). NOTE: The HP Designjet 400 series printers have a very high rate of Cutter assembly failure. Parts required (part numbers are subject to change)ĥ1640A (Black), 51644C (Cyan), 51644M (Magenta), 51644Y (Yellow) Use the steps listed in this document to accurately determine the cause of the failure and replace the appropriate parts. KRS document number: BPP90072 Last updated: 30-Sept-2002 Minimum skill level: 2įlashing Cartridge LED is because of a bad electrical connection, missing cartridge, or the wrong cartridge. Parts required (part numbers are subject to change) HP Designjet 450c, 455ca and 488ca Series Printers - Flashing Cartridge Light The owners of this website have no affiliation to Hewlett Packard nor do we But the output is nice and tight and the inks won't fade for a long long time.TWI Designjet Documents library presented here as a courtesy of Now of course one downside to the current epson, canon, and hp pigment 8- and 12- color printers is that the pigment ink is expensive and they use more of it in my experience (because instead of a few dots of dark cyan for example they use many more of light cyan to create a continuous appearance, but that's more ml of ink being used.) With the current generation you're looking at $0.40 to $0.75 per square foot. The 1050c is at least better with 600 dpi, but still CMYK won't hold a candle to a current 8- or 12- color inkjet. Yellows start to fade first, and blues then shift to purple.
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Further, the OEM ink for these old designjet plotters was dye based and you'll find the colors will start to fade within 6 months in sunshine (if unprotected). But for art prints where someone is going to look up close, not a fine enough screen now. For posters and banners that people look at from a couple feet away it's perfectly fine - and quite an economical way to print these since the ink is quite cheap now. This is what the designjet output of that era looks like - you can see the screen with your naked eye. Remember what 300 dpi 1-bit laser printer screens looked like compared to today's smooth output. However the downsides of this generation of plotter were the resolution was very limited compared to today's plotters - the 450c and my 750c have only 300 dpi colors and 600 dpi addressable black (great for sharp cad lines but not used for photographic screens.) When printing raster images the screen is quite visible. The good things about this generation plotter are that the nozzles are on the ink cartridges, so buying refurbished or used you don't end up with worn out nozzles that cost a fortune to replace as with some other inkjets - and the ink was quite inexpensive by today's scale - probably $0.25 to $0.40 per square foot for heavy coverage if you shop for ink a bit (lots of remanufactured black cartridges and expired but still fine color cartridges.) But they were really designed as cad printers that just happened to be very capable for their era.
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I really like the construction of these old designjets - they keep going and going. I had a 350c back in 1996 and still have a designjet 750c + that is still printing 10 years after I purchased it. The designjet 450c will not produce what I'd call an acceptable art print nowadays.