Model # 420 DP Official Citizen calculator

Here are the diagrams and repair parts for Official Citizen 420-DP calculator, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

ALL PARTS

Showing 1 of 1 parts |

#NI

All parts diagram

Calculator ribbon

Part #BR88

The manufacturer no longer makes this part, and there's no substitute part

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