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Ricoh DD 4450 Service Manual

Ricoh DD 4450
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Electrical Component Defects
C279 6-8 SM
6.2 ELECTRICAL COMPONENT DEFECTS
Jams which occur because of a sensor error are shown below.
error jam
Paper feed error “A” jam
Drum error “B” jam
Paper Exit error “C” jam
2nd drum error “D” jam
Eject Box error “E” jam
ADF error “P” jam
6.2.1 SENSORS
Component Condition Symptom
Master Eject Position (HP)
Sensor
Open E-23 is displayed whenever the drum
rotates.
Shorted
Paper Exit Timing Sensor Open E-21 is displayed whenever the drum
rotates.
Shorted
Feed Start Timing Sensor Open E-24 is displayed whenever the drum
rotates.
Shorted

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Ricoh DD 4450 Specifications

General IconGeneral
BrandRicoh
ModelDD 4450
CategoryCopier
LanguageEnglish

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