what is layout where it can be modified ?
(please help it's a urgency )
Answers
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You can modify any part of a device type as required. For example, you may want to add support for a SAPscript printer font that is not part of the SAP standard font set. This change would require adding new print controls to the device type to enable it to switch to the font.
Only make changes to an SAP standard device type using your own copy of the device type. Otherwise your changes may be overwritten when you upgrade your SAP system.
In this section, we review how to define a device type from start to finish. If you want to extend an existing device type, see the relevant step in the procedure for more information.
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1. Copy the device type.
If you are modifying an SAP standard device type, only work on a copy of the device type. Otherwise, your changes may be lost when you upgrade your system.
If you are creating a new device type, working from a copy of a similar device type is easier than starting from scratch. The print controls and device type formatting actions required are, for example, already present.
Procedure: See Copying Device Types.
2. Edit the device type.
Use: The device type identifies a particular printer model.
Changes are required if: You are defining a completely new device type.
Make your changes in: a copy of a SAP standard device type.
Content: You can specify:
The SAP character set that should be used for formatting device output. The character set specifies the character codes to send to the device for printing specific characters.
The driver to use for formatting SAPscript documents
Procedure: Editing Device Types.
3. Add a new character set or enhance an existing character set, if required.
Use: An SAP character set is used to convert output from the internal SAP representation into the codes required by the output device to print the output correctly.
Changes are required if: You are defining a new device type and none of the standard SAP character sets are suitable for the device. You can then add a new character set or extend a copy of an existing character set by adding characters to it.
Make your changes in: a copy of a SAP standard device type. The number for a new character set must begin with "9"; to places the character set in the customer namespace.
Content: A character set contains the set of SAP characters that can be output at a device that uses that character set. SAP characters specify the code to send to a device in order to produce the corresponding character.
For more information: Maintaining Character Sets
4. Add page formats.
Use: A page format specifies the physical size and orientation of an output page. From SAP R/3 4.5A, both SAPscript and list printing use page formats. The physical page dimensions determine and specify the printable area on a page. This information, in turn, determines how the page is filled with text.
Changes are required if: You need to add new page formats for paper sizes or output layouts not included in the standard SAP system.
Page formats are used together with formats and device.