For a Centronics Parallel Host Interface: set all four DIP switches to OFF by pushing them toward the interior of the printer, as illustrated.

ON

1 2 3 4

Figure 6-9.Centronics Parallel Host Interface DIP Settings

PCL Board Settings

The PCL board uses DIP switches to control the registration of prints. Change these set- tings only if directed to do so when following TAG #807.

Printhead Circuit Board Settings

The printhead circuit board uses jumpers to match printhead characteristics to controller characteristics. Do not change these jumper settings; they should remain as set at the fac- tory.

Wiring Diagrams and Electrical Data

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HP C30 manual PCL Board Settings, Printhead Circuit Board Settings