HP d640 HP D640 High-Volume Printer - Enhanced Features Manual, C5620-90027 - Page 55

Documentation updates and corrections

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Default drive The default drive is now the printer's internal hard disk, C: (HDD), instead of the printer's floppy disk, A: (FDD). However, this default should not be assumed. A drive specifier should always be included to indicate the internal hard drive. Otherwise, this might lead to incompatibility between printer protocol sent across the network and printer protocol executed from disk. Documentation updates and corrections Note To clarify procedures and examples, this section includes a number of updates and revisions to the D640 Technical Reference Guide (part number C5620-90002). Commands to read/write to hard disk You can read, write, and delete files on the printer's hard disk with PJL commands. Reading from mass storage is different for each emulation/personality. Currently, there are no security features built into the hard disk filing system. HP does not recommend storing sensitive files on the internal hard disk. l Files may contain fonts, macros, symbol-sets, user-defined patterns, or ordinary print data. l File names can contain up to 100 characters. See "File system conventions" on page 49 for a detailed description. l Some file extensions have special meaning on the printer. These include: .HPG .CRT .PCL .PS .SFS .SFT HP GL2 file Cartridge definition file PCL file PostScript file PCL Softfont in Intellifont form PCL Softfont in True Type form Chapter 3: Technical Reference 51

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Chapter 3: Technical Reference
51
Default drive
The default drive is now the printer’s internal hard disk, C: (HDD),
instead of the printer’s floppy disk, A: (FDD).
However, this default should not be assumed. A drive specifier should
always be included to indicate the internal hard drive. Otherwise, this
might lead to incompatibility between printer protocol sent across the
network and printer protocol executed from disk.
Documentation updates and corrections
To clarify procedures and examples, this section includes a number of
updates and revisions to the
D640 Technical Reference Guide
(part
number C5620-90002).
Commands to read/write to hard disk
You can read, write, and delete files on the printer’s hard disk with
PJL commands. Reading from mass storage is different for each
emulation/personality.
Note
Currently, there are no security features built into the hard disk filing
system. HP does not recommend storing sensitive files on the internal
hard disk.
Files may contain fonts, macros, symbol-sets, user-defined
patterns, or ordinary print data.
File names can contain up to 100 characters. See “File system
conventions” on page 49 for a detailed description.
Some file extensions have special meaning on the printer. These
include:
.HPG
HP GL2 file
.CRT
Cartridge definition file
.PCL
PCL file
.PS
PostScript file
.SFS
PCL Softfont in Intellifont form
.SFT
PCL Softfont in True Type form