Lexmark X644e Guida Utente

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Device Parameters
The currentdevparams operator returns a dictionary of the current values of the 
system parameters.
The setdevparams operator sets the values of the specified device parameters.
This operator requires a  if one is set.
Values supplied to setdevparams that are outside the range or limits for the 
specified integer parameter do not cause rangecheck or limitcheck errors. 
The appropriate value is used.
Values supplied to setdevparams that do not match the type of the specified 
parameter cause typecheck errors.
If a parameter name is not known, an undefined error occurs.
An attempt to change the value of a read-only parameter has no effect on the 
parameter.
To specify the parameters for a specific communications channel, use the 
appropriate suffix. For example, the serial channels are:
– %SerialA%
– %SerialB%
– %SerialC%
– %SerialD%
For some printers, no “A” channel exists. If %Serial% is specified, it refers to the 
channel where the print job is sent.
For additional information on flash memory and disk, see Chapter 6: “Flash Memory 
and Disk” on page 6-1
.
To determine which devices your printer supports, see Table C-5 on page C-11.
To determine which device parameters your printer supports, see Table C-6 on 
page C-13.