User guide
Status and Error Reporting for the LA310 MultiPrinter
11.3 Device Status Report (DSR)
Table 11–4 DSR Codes
Ps Description Reference
?20 No malfunction
?22 Communication failure (Event)
?23 Input buffer overflow (Event)
?24 Printer deselected (State)
?26 Cover open (State)
?27 Paper out (State)
?40 Character set not available (Event) Section 11.3.1
?42 Downline load error (Event) Section 11.3.2
?45 Character beyond right margin (Event)
?55 Alternate protocol error (Event) Section 11.3.3
?57 First report since initialization (Event) Section 11.3.4
Definitions for ‘‘Event’’ and ‘‘State’’ in Table 11–4 are given in the Command
Dictionary, under DSR.
The following table gives two DSR examples:
Extended Report Meaning
ESC [ 0 n ESC [ ? 20 No error
ESC [ 3 n ESC [ ? 24 ; 26 n Printer offline; cover open
11.3.1 Character Set Not Available
This error occurs when a character is to be printed and the currently
designated character set is not available at any print density from any source,
including built-in, cartridge, or downloaded font files.
11.3.2 Download Font Error
This error occurs when Download Font (DECDLD) sequence is ignored because
of some error condition. Refer to the discussion of DECDLD in the Command
Dictionary.
11–4 Status and Error Reporting for the LA310 MultiPrinter