Computer output
As early as the 1980s, Océ developed a digital printer for printing data files generated by large (mainframe) computers such as those from IBM. The output of such a computer consisted of alphanumeric characters (letters and numbers) with information about their interrelationships. In the beginning (1960s), the output was primarily printed using automatic typewriters and dot matrix printers, on continuous forms.
Electrophotographic copiers, with their higher speed, were an attractive
alternative. To achieve this, they had to be modified to form alphanumeric images themselves and project them onto the photoconductor. The image formation software was executed by a computer, the so-called controller. Such a controller could do little more than form letters and place them in the correct position. To this end, Océ built the Océ 6750 computer output printer, a further development of the Océ 1900 copier.
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This was launched in 1986.
In the 6750, a light image was formed by a modulated laser beam that was directed at high speed over the charged master. The laser beam was moved by a rotating mirror unit built by the Japanese company Topcon.
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Office Automation
The laser printer played an important role in office automation, where office
workers’ typewriters were replaced by desktop computers and later by Personal Computers (PCs, introduced by IBM).
In 1980, Océ also began selling such office systems, initially with workstations and automatic typewriters and line printers from the American company CPT, under the name Océ 8000 system.
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Later (1988), Océ developed its own 6000 Office Automation System, which connected various workstations. CPT workstations were replaced by PCs with software packages such as WordPerfect. The Océ 6750 remained the reliable output unit, alongside desktop printers.
Meanwhile, a digital network system was developed (elsewhere) that could connect all workstations and printers: the Local Area Network (LAN). This rapidly conquered the entire office landscape. For a description of digital network techniques and their application, reference is made here to the chapter “Digital Systems”.
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The Océ 6750 remained in production until 1995, 
when its work was taken over by the Océ Varioprint 3165, a digitized version of the Océ 3045 series copiers. The Océ 3165 featured a scanning unit and was initially developed as a digital copier. However, during its development, it was already equipped with a LAN connection and a corresponding controller. In this machine, image illumination was performed by an array of LEDs.
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In Venlo, the printing technology of the Océ 3165 was used for numerous successors. An increase in print speed was achieved in 2007 with the Océ Varioprint 6000 Gemini, which printed the front and back of a sheet of paper simultaneously using two identical print units.
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