Xerox DocuPrint N2025 Service Manual page 314

Figure 7 Duplex Assembly Components
Printer Control Figure 8
The control of the printer with the Duplex Assembly installed by the Controller is described
here.
Simplex Mode and Duplex Mode Switching
The Controller uses the SWITCH PRINTING MODE command to toggle between the Simplex
and Duplex printing modes.
The Print Engine Controller PWB switches the print mode when the current print job is com-
pleted after it has received the SWITCH PRINTING MODE command.
General Procedures / Information
GP 5.21
NOTE: For the description of the interface signals, Commands, and Statuses, refer to Control-
ler in Section 13 Principles of Operation of the Base Engine Service Manual.
Direction of Scanning in Duplex Printing Figure 9 & Figure 10
The Figure below shows the direction of the main scan (direction in which the laser light is
scanned) and that of the sub-scan (direction of paper travel) for the first and second sides of a
sheet of paper in Duplex printing. The Controller sends the image data to the printer according
to the printing order of pages, lines (raster lines) on each page, and pixels on each line.
Figure 9 Scan Direction in Duplex Printing
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Figure 8
Initial Issue
DocuPrint N2025/N2825