OKI Data
Office

Model # MICROLINE 321 Official OKI Data printer

Here are the diagrams and repair parts for Official OKI Data MICROLINE-321 printer, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

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  • In the search box below, enter all or part of the part number or the part’s name.

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

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Model diagram and schematic

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Showing 10 of 70 parts  |

Transformer: 220/240v 56407902

#NI

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Transformer: 220/240v

Part #56407902

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

Platen Knob 51901101

#NI

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Platen knob

Part #51901101

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

Protector: Ribbon 53056201

#NI

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Protector: ribbon

Part #53056201

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

Rack: Space 53489402

#NI

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Rack: space

Part #53489402

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

Frame: Carriage Assembly 53490401

#NI

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Frame: carriage assembly

Part #53490401

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

Bail Arm (l) 53489301

#NI

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Bail arm (l)

Part #53489301

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

Cord: Ac 240v 56616501

#NI

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Cord: ac 240v

Part #56616501

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

Clamp: Pcb 50704301

#NI

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Clamp: pcb

Part #50704301

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

Pcb: Lxmc W/d Rom 55041411

#NI

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Pcb: lxmc w/d rom

Part #55041411

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

Lever: Paper End (b) 53488902

#NI

All parts diagram

Lever: paper end (b)

Part #53488902

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

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How to replace a freezer door switch

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Repair difficulty
Time required
 15 minutes or less
How to replace a freezer thermistor

How to replace a freezer thermistor

When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo…

Repair difficulty
Time required
 45 minutes or less
How to replace a freezer evaporator fan

How to replace a freezer evaporator fan

Air won’t circulate to cool the freezer properly when the evaporator fan fails. Follow these step-by-step instructions t…

Repair difficulty
Time required
 45 minutes or less

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