Printer Acquisition Strategies CPIS 210 John Beckett.
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Transcript of Printer Acquisition Strategies CPIS 210 John Beckett.
Printer Acquisition Strategies
CPIS 210John Beckett
Why Print?
• Documentary evidence– For yourself– For customer
• Working paper– More convenient than something
electronic
Why Not Print?
• Costs money• Reveals information• One more piece of technology that
can malfunction
Types of Needs
• Kiosk– Gas pump
• High-volume transaction– Cash register
• Low-volume transaction– Registration book list
• Batch– Bills for a mailing
Printing Technologies
• Impact– Can make mechanical copies
• Thermal– Simplest, most reliable for transactions
• Ink-jet– Low-volume transactions
• Laser– High-volume
Printer Communication
• Direct connection to PC– May be shared on network
• Direct connection to the network– Perhaps with a
spooler/manager/controller– Could be WiFi
• BlueTooth• FireWire
– Not used much (yet)
Spooling Control
• Can the person who made the mistake, cancel the job?
• Where’s the data?– In the PC– In a spooler/buffer/controller somewhere– In the printer’s buffer memory
Controlling Cost
• As with any technology: Reduce variation in sources and models– Reduces spare parts inventory– Reduces supplies inventory
• Move to preview/print cycle– A printout more than a few pages
shouldn’t happen until inspected in the spooler
Who Pays?
• If the person making the “print” decision isn’t the same person making the “spend money” decision, you have a mis-match
• If printouts are consistently ignored, make printing optional
• Consider electronic distribution