Process Control - Ricoh A028 Service Training Manual

Process Control

1 July 1994
2.11 Process Control
2.11.1 Outline of process control
This machine has an OPC belt 1,280 mm in circumference. The belt path and the processes
around the belt are as shown in the illustration above.
Process control reads the OPC surface potential with an electrometer and feeds compensation
signals to various units around the OPC.
Generally, the OPC sensitivity does not show a constant value but depends on the operating
environment and OPC belt fatigue. This machine uses process control to compensate the latent
image process and image development process in order to stabilize the copy image.
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