Formatter system
The formatter is involved in the following procedures.
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Controlling the Sleep mode
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Receiving and processing print data from the various product inputs
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Monitoring control-panel functions and relaying product status information (through the control
panel and the bidirectional input/output)
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Developing and coordinating data placement and timing with the DC controller PCA
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Storing font information
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Communicating with the host computer through the bidirectional interface
The formatter receives a print job from the bidirectional interface and separates it into image
information and instructions that control the printing process. The dc controller PCA synchronizes the
image-formation system with the paper-input and -output systems, and then signals the formatter to send
the print-image data.
The formatter also provides the electrical interface and mounting locations for the memory DIMM and
the hard-disk (hard disk drive or solid state drive).
Sleep mode
When the product is in Sleep mode, the control-panel backlight is dimmed, but the product retains all
product settings, downloaded fonts, and macros. The default setting is a 30-minute idle time. Sleep
mode also can be turned off from the Administration menu on the control panel.
The product exits Sleep mode and enters the warm-up cycle when any of the following occurs.
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A print job, valid data, or a PML or PJL command is received at the serial port.
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A control panel key is pressed.
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The top cover is opened.
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The engine-test button is pressed.
NOTE: Error messages override the Sleep message. The product enters Sleep mode at the
appropriate time, but the error message continues to appear.
Input/output
The following sections discuss the input and output features of the product.
USB
The product includes a universal serial bus (USB) 2.0 connection.
8 Chapter 1 Theory of operation ENWW
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