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High-Voltage Power Supply Check
The High-Voltage Power Supply PCA provides the necessary voltages for
the electrophotographic processes. A method for verifying the high-voltage
system is given below:
Toner cartridge connection points
Visually inspect the four connection points on the inside right end of the
toner cartridge. If they are dirty or corroded, clean the connections. Clean
using alcohol only. If damaged, replace the toner cartridge.
High voltage contacts
The high voltage HVPS contact springs mount on the High Voltage Power
Supply PCA and protrude through the toner cartridge cavity to contact the
toner cartridge. Verify that the contacts are not dirty or corroded, and that
the spring action is functional. If dirty, clean using alcohol only; if damaged,
replace the High Voltage Power Supply PCA (see Chapter 6 for procedure).
High Voltage Power Supply Contacts
Figure 7-26
7-76