Printers Help and Repair

Showing posts with label command. Show all posts
Showing posts with label command. Show all posts

Sunday, February 10, 2019

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PJL Command Structure

This article gives an overview of some commands

Media Select (Alphanumeric ID Command)
Format: ESC & n # W 100[string]
Hex: 1B 26 6E # 57 64[string] (# is specified in the text below)
Function: Assigns an ID string to the media type.
Description: Media selection is one function of the Alphanumeric ID Commands. By setting operation = 100, it is possible to assign string IDs to media types.
Render Algorithm Command
Format: ESC * t # J
Hex: 1B 2A 74 # 4A (# is specified in the text below)
Function: Sets the Render Algorithm.
Description: The value of # can be in the range 0 - 12. Any other value causes the command to be ignored.
Driver Configuration Command
Format: ESC * o # W [device_id function_index Arguments]
Hex: 1B 2A 6F # 57 (# is specified in the text below)
Function: Specifies Lightness, Saturation, Scaling Algorithm, Select/Download Color Map, Trapping Mode, and Total amount toner control.
Description: The value of # is fixed to 3. (The number of bytes of device_id + function_index + Arguments)
Description: The value of # is fixed to 3. (The number of bytes of device_id + function_index + Arguments)