[LINK] Toshiba printer erases and reprints on a single sheet
david.boxall at hunterlink.net.au
Sat Dec 2 14:14:00 AEDT 2006
I wonder how green this really is.
Toshiba printer erases and reprints on a single sheet
By Will Head, 23 November 2006 09:54 AEST Hardware
Toshiba has unveiled a printer that can print, erase and reprint on a
single sheet of special paper up to 500 times.
The B-SX8R uses specially engineered paper similar to the thermal paper
used in early fax machines, except it can be erased and is much more
durable. The sheets are made of plastic and can be recycled at the end
of their lives.
Toshiba's process uses a special pigment in the paper that reacts to
heat. If heated above 180 degrees centigrade the pigment turns black,
creating an image on the sheet.
However, if the surface is heated to between 130 and 170 degrees the
pigment reverts to white, allowing the image to be 'erased'.
Special marker pens are also available, which can be erased from the
paper using an optional cleaning machine.
Toshiba is touting reduced CO2 emissions created during the paper
Traditional paper manufacture and waste creates 6.5kg of CO2 emissions
per 1,000 sheets, compared to 1kg for the same quantity of rewritable
The printer costs approximately £5,000 ($12,500) and the paper is
estimated to cost £5 ($12.50) per sheet, working out at 1p per use if
reused 500 times.
Since the pigment is in the paper, the printer has no consumable costs
beyond the cost of the paper.
"The B-SX8R will help reduce paper use thus preserving forest resources
and reducing CO2 emissions during paper manufacturing and waste
processes," said Mike Keane, european product manager at ToshibaTEC.
"The B-SX8R does a small thing in saving paper resources, but assists in
the big practical objective of global environmental conservation."
The printer is currently available only in Japan, but Toshiba is looking
to launch in Europe if there is sufficient demand.
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