HP 4600 Service Manual - Page 182
Fuser/delivery unit, liquefied toner and press it onto the media to create the appropriate color.
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The DC controller determines a media mismatch, ejects the media, and stops the printer in the following situations: ■ When OHT is detected and the printer is set to either thick paper or gloss mode ■ When plain paper is detected and the printer is set to OHT mode However, if the printer is set to plain-paper mode and OHT is detected, the DC controller will automatically switch the printer to OHT mode, and printing continues normally. Fuser/delivery unit The fuser/delivery unit consists of the fuser, which melts the toner and presses it onto the media, and the delivery unit, which feeds the sheets into the output bin. The sequence of events is as follows: 1 The ETB carries a sheet of media with transferred toner into the fuser. 2 The fuser motor adjusts its speed to maintain even tension on the media as it enters the fuser. 3 The fuser melts the individual toner particles. The fuser sleeve and pressure roller mix the liquefied toner and press it onto the media to create the appropriate color. 4 The media passes from the fuser into the output bin. A sensor in the output bin detects when the bin is full. The DC controller will stop the printer after the current print job is complete. 166 Chapter 5 Theory of operation ENWW
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