|Product Number: 9876A
|Division: Desktop Computer Division
|Ad: Click to see
|Original Price: $3500
|Catalog Reference: 1980, page 618
|Donated by: Stan Kurzet, Newport Beach California
The 9876A printed text in a 5 x 7 dot cell matrix at 480 lines per minute. It printed graphics at a resolution of 77 dots per inch. The 9876A used fan-fold thermal paper rather than roll paper. It was available with an HP-IB or 8-bit parallel interface. The part number for the printer mechanism (without the steel casing) was 11479A.
The 9876A was obsoleted in May of 1986.
These printers were fast, quiet and produced good print quality. The use of fanfold paper provided two major advantages over thermal roll paper. First, the media did not have to be cut or torn off after a printout (thereby eliminating the challenge of trying to get the cut length just right). Second, the finished print job was a normal (flat) document and not a "curled scroll" that had to be flattened out to be useful.
These printers are somewhat temperamental. About two thirds of the units at the museum are in functioning order. The most common failure mode is blown fuse on power up. The 9876A fan assembly is also more subject to failure than the fan assembly in other printers.
If a 9876A hasn't been used for many years, it is common for it to fail the smoke test shortly after initial power up. This is usually caused by one of the metalised paper capacitors in the surge protection circuit failing. These capacitors are easy to replace. The 9876A has one of these capacitors accross the power plug filter.
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