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SUBJECT:
A172/A199 SERVICE TIPS
SCOPE:
In our continuing effort to assist field technicians in resolving service-related issues, TSC is providing the
attached A172/A199 Service Tips.
This information will assist you to quickly isolate possible causes of copy quality related service calls and as
a result decrease unnecessary parts replacement.
The data / measurements provided are not factory Specifications, but reflect the average voltage measured
on several test units.
The Service Tips are divided into the following sections:
•
Checking Drum Ground
•
Confirming Charge Current
•
Confirming Charge Grid Voltage
•
Charge Grid PWM Check Procedure
•
Development Check Points
•
Confirming Development Bias Voltage
•
Transfer Belt Area
•
Confirming Transfer Belt Bias Voltage
•
Confirming Transfer Roller Bias Voltage
•
Paper Feed Check Points
•
Fusing Unit Check Points
RICOH GROUP COMPANIES
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Continued...
CONTROL NO. 308
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