Toner Saving Mode - Ricoh MV310 Service Manual

May 22nd, 1995

6. Toner Saving Mode

In this machine, toner saving is done by reducing the number of dots actually
printed, not by varying the development bias. In toner saving mode, the im-
age data is filtered through the following four-line matrix.
1st line
2nd line
3rd line
4th line
(1: Actual data printed, black or white; 0: Always a white pixel)
Notes:
•
Toner saving mode only works when printing fax messages and reports.
(However, toner saving is disabled in NSF/NSS halftone mode, that is,
when bit 126 of the NSF/NSS frame is set to 1.)
•
When toner saving mode is selected, the print image density is automat-
ically set to "Normal"; in some cases, the image may become invisible if
the Lighter setting is used.
Cross Reference
Toner Saving Mode: User parameter 12, bit 2
Edge Enhancement
In toner saving mode, the machine prints a black pixel whenever the data
changes from white to black in the main scan direction. In this way, edges on
the image are printed more clearly.
1 0 1 0 1 0 1 0 1 0 . . . . .
0 0 0 0 0 0 0 0 0 0 . . . . .
0 1 0 1 0 1 0 1 0 1 . . . . .
0 0 0 0 0 0 0 0 0 0 . . . . .
2-29
DETAILED SECTION DESCRIPTIONS
PRINTING