NEC
Office

Model # 3550 Official NEC sheet feeder plus printer

Here are the diagrams and repair parts for Official NEC 3550 sheet feeder plus 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:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 433 parts  |

Special Screw 136-781213-A
#25

Sheet feeder -- model 4123 diagram

Special screw

Part #136-781213-A

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

Spring Pin 803-010020-108-0
#204

Paper guide assembly diagram

Spring pin

Part #803-010020-108-0

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

Screw #2cbts 3x12x3gf 805-230103-012-0
#213

Sheet feeder -- model 4123 diagram

Screw #2cbts 3x12x3gf

Part #805-230103-012-0

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

Back Panel 136-743145-A
#6

Front inserter diagram

Back panel

Part #136-743145-A

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

Screw Pl-cpims 4x6x15bf 805-300004-006-0
#207

Front inserter diagram

Screw pl-cpims 4x6x15bf

Part #805-300004-006-0

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

Cover, Side (l) 136-743146-A
#1

Front inserter diagram

Cover, side (l)

Part #136-743146-A

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

Board Switch 136-743195-A
#21

Paper guide assembly diagram

Board switch

Part #136-743195-A

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

Label, Unit 136-754628-003-A
#1

Roller feed assembly diagram

Label, unit

Part #136-754628-003-A

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

E Ring (e-42) 803-010030-042-0
#203

Model 4107 demand document tractor diagram

E ring (e-42)

Part #803-010030-042-0

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

Stay, Rear 136-745958-A
Stay, rear

Part #136-745958-A

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

Effective articles & videos to help repair your office

Office and smart products articles | Sears PartsDirect

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

What does the Amazon Fire Stick Lite do?

What does the Amazon Fire Stick Lite do?

Learn what the Amazon Fire Stick Lite video streaming device does.…