Xerox FaxCentre 2121 Service Manual page 192

General Procedures and Information
Detection of Toner Cartridge
Installation detection:
• The IC chip (CSIC) built into the toner cartridge detects that the imaging cartridge is installed
correctly when the power switch is turned ON, and the front door is opened and closed. The
detection is made electrically
Detection of a new toner cartridge
• The IC chip (CSIC) built into the toner cartridge detects a new toner cartridge only when it is
first installed.
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Figure 8
11/06 FaxCentre 2121/2121L