Xerox 3100

April 1973: Xerox launches their model 3100 - a compact copier on a wheel stand.

Xerox 3100 copier copies on ordinary, unsensitized, cut-sheet paper directly from original document. First copies ready in eight seconds and succeeding copies produced at the rate of twenty per minute. The machine was excellent book copier with a maximum image area of 8 ½" x 14".

The copier has a cassette paper-loading capability that permits quick and easy changes in paper sizes, weights and colors.

Xerox 3100 Diplomat

Xerox also produced another version of the 3100 model, and the copier was named Xerox 3100 Diplomat. See image of the copier to the right.

This was a refurbished 3100 with the cupboard removed from the device and replaced with a single, sturdy pole supporting the machine but retaining the same wheels. Also the orange was sprayed brown so that the device had a 1970s brown and beige colour scheme.

Xerox 3100 Diplomat

Xerox 3100 operating panel

Xerox 3100 operating panel

Copy speed (per minute)20. First copy after 8 second.
Paper tray250 sheets
Output tray capacityn/a
Staple function
Document handler
Dimension and weight
Depth72 (cm) / 28 (inches)
Width83 (cm) / 33 (inches)
Height97 (cm) / 38 (inches)
Weight104 (K grams) / 230 (Lbs)
Floor space requirementsStationary: 1.4 x 1.7 (meters) / 4.6 x 5.6 (feet)

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Gilbert Gonzalez
Gilbert Gonzalez
January 15, 2020 7:22 am

We had a lot of these machines. What people forget about these machines is when competitive toner and developer was used. Most did not work very good, and we as service reps were under the “No Comment” policy about competitive toner. There was this retrofit kit to pull out the fixed developer housing and replace it with a floating developer housing that had drum shoes on each end that road on the sides of the drums. The copies came out really nice and made more of a solid image. This machine had the problems with the scan rail. later a… Read more »

Ed Jones-Mack
Ed Jones-Mack
February 19, 2016 6:30 am

As I recall, the 3100 was also the first low-end.Xerox copier that made use of magnetic-brush (also called “mag roll”) technology for a near offset-press printing quality. Over 90% of the electronics fit on a single circuit board which made troubleshooting a much simpler matter than with the 4000 products which spread the digital electronics across five or six different circuit boards. Operators loved it as unlike the 660s that were replaced by 3100s , the 3100 did not have a tendency to set fire to every 10th sheet that came out of the paper tray! An annoying tendency of… Read more »

Robert Schloder
Robert Schloder
Reply to  Ed Jones-Mack
February 8, 2020 2:02 am

Hey, ED. Bob Schloder here. I worked in lab building control boards for copier.

September 22, 2015 3:24 am

god there were a gazillion of these – and the related 3107 and 3109 – in offices everywhere. The 3100 product line was the first reliable, relatively high-speed , affordable copier for the small office. Larger companies had these sprinkled around everywhere for departmental use. From the mid-70’s until the Japanese market penetration, in the early 80’s, these were the universal office copier.

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