Hewlett Packard
Office

Model # LASER JET III SI 33491A Official Hewlett Packard printer

Here are the diagrams and repair parts for Official Hewlett Packard LASER-JET-III-SI-33491A printer, 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

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Showing 10 of 87 parts  |

Ntwk I/f 28636-69101

#NI

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Ntwk i/f

Part #28636-69101

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

Transferroll 5181-8708

#NI

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Transferroll

Part #5181-8708

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

Dc Pwr Sys RG5-0085-000CN

#NI

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Dc pwr sys

Part #RG5-0085-000CN

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

4mb Simm D2156-69001

#NI

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4mb simm

Part #D2156-69001

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

Formatter 33491-60160

#NI

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Formatter

Part #33491-60160

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

Power Adapter 5042-0301

#NI

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Power adapter

Part #5042-0301

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

Train Gde C2059-90960

#NI

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Train gde

Part #C2059-90960

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

Duplex 5181-8709

#NI

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Duplex

Part #5181-8709

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

Dc Pwr Sup RG5-0086-060CN

#NI

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Dc pwr sup

Part #RG5-0086-060CN

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

Shield RG5-0123-000CN

#NI

All parts diagram

Shield

Part #RG5-0123-000CN

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

Symptoms for elliptical machines

Choose a symptom to see related elliptical repairs.

Main causes: leveling feet need to be adjusted, loose frame bolts, unstable flooring…

Main causes: dead batteries, power supply failure, bad wiring connections, faulty control console…

Main causes: loose fastening bolts, damaged handle bars…

Main causes: weak batteries, loose wires, faulty control console…

Main causes: bad resistance motor, faulty control console, wiring failure…

Main causes: faulty reed switch, reed switch needs adjustment, wiring failure, bad control console…

Main cause: lack of lubrication on pivot points…

Main causes: dirty heart rate sensors, wiring failure, bad control console…

Repair guides for elliptical machines

These step-by-step repair guides will help you safely fix what’s broken on your elliptical.

How to replace an elliptical resistance motor

How to replace an elliptical resistance motor

If the resistance motor is not changing the resistance on your elliptical, replace it using these steps.…

Repair difficulty
Time required
 15 minutes or less
How to adjust an elliptical reed switch

How to adjust an elliptical reed switch

If the console doesn't display the correct speed on your elliptical, adjust the reed switch using these steps.…

Repair difficulty
Time required
 15 minutes or less
How to replace an elliptical console

How to replace an elliptical console

If the console on your elliptical doesn't work, replace it by following these 3 easy steps.…

Repair difficulty
Time required
 15 minutes or less

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