HP CM6030 Service Manual - Page 186
Formatter system, Sleep mode, Resolution Enhancement technology (REt)
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Formatter system The formatter is responsible for the following procedures: ● Controlling Sleep mode ● Receiving and processing print data from the various product interfaces ● Monitoring control-panel functions and relaying product-status information (through the control panel and the network or the bidirectional interface) ● Developing and coordinating data placement and timing with the DC controller PCA ● Storing font information ● Communicating with the host computer through the network or the bidirectional interface The formatter receives a print job from the network or 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 one EIO cards and an additional DIMM. Sleep mode This feature conserves power after the product has been idle for an adjustable period of time. When the product is in Sleep mode, the control-panel backlight is turned off, but the product retains all settings, downloaded fonts, and macros. The default setting is for Sleep mode to be enabled, and the product enters the Sleep mode after a 60-minute idle time. Sleep mode can also be turned off from the Reset menu on the control panel. The product exits Sleep mode and enters the warm-up cycle when any of the following events occurs: ● A print job, valid data, or a PML or PJL command is received ● A control-panel button is pressed ● A cover is opened ● A paper tray is opened ● The engine-test switch is pressed NOTE: Product error messages override the Sleep message. The product enters Sleep mode at the appropriate time, but the error message continues to appear. Resolution Enhancement technology (REt) The formatter contains circuitry for Resolution Enhancement technology (REt), which modifies the standard video dot data on its way to the DC controller PCA to produce "smoothed" line edges. The REt can be turned on or off from the control panel or from some software programs. The default setting is medium. NOTE: The REt settings that are sent from software programs or printer drivers override the controlpanel settings. 140 Chapter 5 Theory of operation ENWW
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1,188
-
1,189
-
1,190
-
1,191
-
1,192
-
1,193
-
1,194
-
1,195
-
1,196
-
1,197
-
1,198
-
1,199
-
1,200
-
1,201
-
1,202
-
1,203
-
1,204
-
1,205
-
1,206
-
1,207
-
1,208
-
1,209
-
1,210
-
1,211
-
1,212
-
1,213
-
1,214