For Type 22, the optional parameter selects the corresponding PCL user-defined pattern specified by way of the ?*c#W command. Option1 specifies the pattern associated with the user-defined fill pattern. Option2 is ignored if present. See “User-Defined Pattern Graphics” in Chapter 13 for a discussion of PCL user-defined patterns.

All parameters are optional. If all parameters are omitted, screening is turned off (the vectors are solid).

If screen_type is present, but option1 and/or option2 are omitted, values previously specified for the specified screen_type are used. If none have been specified since the last power-on, IN, DF, or ?E Reset, the defaults are assumed.

All screening patterns use the current anchor corner (see the AC command description).

Table 22-22

Related Commands

Group

 

 

AC, Anchor Corner

The Line and Fill Attributes Group

FT, Fill Type

 

PW, Pen Width

 

RF, Raster Fill Definition

 

WU, Pen Width Unit Selection

 

 

 

Table 22-23 POSSIBLE ERROR CONDITIONS:

Condition

Printer Response

 

 

1 or more parameters

ignores parameter

 

 

EN

SV, Screened Vectors 22-41

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HP 5961-0509 manual FT, Fill Type PW, Pen Width RF, Raster Fill Definition, Possible Error Conditions