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Konica Minolta bizhub C451 Technical Bulletin

Konica Minolta bizhub C451
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Bulletin #: 8215
Date: 12/19/11
Subject: Fusing Unit Noise Troubleshooting Guide
bizhub 552: 016 bizhub 652: 016 bizhub C451: 094
bizhub C452: 101 bizhub C550: 103 bizhub C552: 112
bizhub C552DS: 050 bizhub C650: 087 bizhub C652: 112
bizhub C652DS: 050
Technical Bulletin
Solutions Support Division
Noise that appears to emanate from the fusing unit can be a very elusive issue to resolve. This is a direct
result of many factors, including:
• Moving parts, each of which may contribute to a noise
• Tighttolerancesrequiredfortheunittooperatereliablyandefciently
• Thenon-directionalnatureofsound,especiallyinanMFP,whichmakeitdifculttoidentifythesourceof
the sound
• Accuracy and thoroughness of routine maintenance, including proper cleaning and lubrication
SOLUTIONS
The attached guide represents a thorough investigation of the various sources of noise emitted by the fusing
areaintheseproducts.Althoughtherearemanycauses,eachhasbeenidentiedandasolutiondeveloped.
Please implement all of the solutions in the attached Troubleshooting Guidetomakeasignicant
reduction in the amount of unwanted sound and improve the user’s experience.
Audio
Inseveralcases,audiolesareavailablesothatyoucanactuallyhearthekindofnoisethatresultsfrom
specicareas.
If you are viewing this document on a computer, the audio samples can be accessed by clicking on the
speaker icon.
PARTS INFORMATION
A number of parts are referred to in the Troubleshooting Guide. In most cases, they have been addressed in
previous bulletins.
OnenewmodicationappearsintheGuidetoaddressnoisefromtheFusingDriveUnit(seepage10ofthe
guide).

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Konica Minolta bizhub C451 Specifications

General IconGeneral
BrandKonica Minolta
Modelbizhub C451
CategoryAll in One Printer
LanguageEnglish

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