Fingers Crossed for 2021 ...

2020 was the worst! COVID kept the museum closed for much of the year and a mains water pipe bursting causing a flood kept us closed for the rest. 
We're hoping to re-open in the next few months ... fingers crossed! Read More >>>

Please Donate Via Just GivingNo visitors, no workshops, no events, no school visits... no income. We know that things are tough for everyone right now, but if you can afford to help us through these tough times please donate what you can.

There's over 36,000 exhibits here! That should keep you occupied for a bit - get searching!

Or come and get involved on our social media channels ...

      Twitch  Facebook          Online Gift Shop      

Thank you.

Rank Xerox - 'Hotline' - Technical Bulletin

A technical bulletin sent to trained Xerox 820 engineers.  The document details various hardware and software changes to the 820 range.  This PDF was taken from a photocopy of the original, and the pages have unfortunately been jumbled.

6 pages.

This document has recently been digitised and made available here. Digitising our collections requires significant resources. Please consider making a donation to the Centre if you download this manual!


Reference Number :

Date Published : 18th August 1983

Manufacturer : Rank Xerox

Platform : Xerox 820

Format : PDF






This exhibit has a reference ID of CH39799. Please quote this reference ID in any communication with the Centre for Computing History.

Rank Xerox - 'Hotline' - Technical Bulletin

Click on the Images For Detail

This manual can be downloaded from the Computing History Shop.

  • File Size: 281.41 KB
  • Price: £4

Help support the museum by buying from the museum shop

View all items

Founding Sponsors
redgate Google ARM Real VNC Microsoft Research
Heritage Lottery Funded
Heritage Lottery Fund
Accredited Museum