User guide

Status and Error Reporting for the LA75 Plus Companion Printer
4.3 Device Status Report (DSR)
4.3 Device Status Report (DSR)
The codes generated by the LA75 Plus Companion Printer for the extended
Device Status Report (DSR) are given in Table 4–3. When the LA75 Plus
Companion Printer sends more than one code, only the first is preceded by a
question mark ( ? ).
Table 4–3 DSR Codes
Ps Description Reference
?20 No malfunction
?21 Hardware failure (State)
?22 Communication failure (Event)
?23 Input buffer overflow (Event)
?24 Printer deselected (State)
?26 Cover open (State)
?27 Paper out (State)
?30 ASF installed no ASF error (State)
?32 Paper jam or ASF error (State)
?40 Character set not available (Event) Section 4.3.1
?42 Downline load error (Event) Section 4.3.2
?45 Character beyond right margin (Event)
?55 Alternate protocol error (Event) Section 11.3.3
?57 First report since initialization (Event) Section 4.3.4
Definitions for ‘‘Event’ and ‘‘State’ in Table 4–3 are given in the Command
Dictionary, under DSR.
The following table gives two DSR examples:
Extended Report Meaning
ESC [ 0 n ESC [ ? 20 ; 30 n No error, ASF installed
ESC [ 3 n ESC [ ? 32 n ASF installed, cannot clear paper path
Status and Error Reporting for the LA75 Plus Companion Printer 4–3