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Epson
Office

Model # CR-420/420I Official Epson printer

Here are the diagrams and repair parts for Official Epson CR-420-420I printer, as well as links to manuals and error code tables, if available.

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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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ALL PARTS
Showing 10 of 354 parts  |
Heat Sink 84100-5424

#4ZD

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Heat sink

Part #84100-5424

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

E-prom 10407-BAC-C

#7WB

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E-prom

Part #10407-BAC-C

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

Connector 8409-20087

#7YA

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Connector

Part #8409-20087

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

Cover B 84100-2029

#7YH

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Cover b

Part #84100-2029

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

Mech Hld 84100-2137

#39

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Mech hld

Part #84100-2137

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

Bp-a Shld 8409-30302

#7YD

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Bp-a shld

Part #8409-30302

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

Bd Cover 84100-1814

#NI

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Bd cover

Part #84100-1814

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

Heat Sink 84100-5436

#4ZI

All parts diagram

Heat sink

Part #84100-5436

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

Plt 220-240v 84102-2012

#43ZH

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Plt 220-240v

Part #84102-2012

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

Ic (75189) 8409-10013

#7Q

All parts diagram

Ic (75189)

Part #8409-10013

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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Why does my treadmill's walking belt slow down?

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor...

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Why is my treadmill's walking belt slipping?

Main causes: damaged walking belt, improper belt tension, bad roller bearing...

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Why is my treadmill's walking belt off center?

Main causes: rear roller out of alignment, damaged walking belt, bad roller...

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Why won't my treadmill start even though the console display works?

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor...

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Why is my treadmill's heart rate sensor not accurate?

Main causes: faulty sensors, wiring failure, bad control console...

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Why does my treadmill have no display?

Main causes: bad control console, wiring failure, bad motor control board...

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Why won't my treadmill power up?

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co...

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Repair guides for treadmills

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

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How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the...

Read more
Repair difficulty
Time required
15 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'...

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Repair difficulty
Time required
15 minutes or less
How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the...

Read more
Repair difficulty
Time required
30 minutes or less

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What does the Amazon Fire Stick Lite do?

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