CognitiveTPG A798 Instruction Manual Page 66
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Chapter 4: Programming Commands66
Revision C 12/09
A798-PG00001C
Transmit peripheral device status (RS-232C printers only)
ASCII ESC u 0
Hexadecimal 1B 75 0
Decimal 27 117 0
Value of returned byte:
Bit 0 Bit 1
1 = Drawer 1 Closed 1 = Drawer 2 Closed
0 = Drawer 1 Open 0 = Drawer 2 Open
Bits 2–7 are not used.
Transmits current status of the cash drawers. One byte is sent to the host computer. In DTR/DSR protocol, the printer waits
for DSR = SPACE. If a drawer is not connected, the status will indicate it is closed.
Exceptions
Unlike the A793, that had a dedicated connector and resultant dedicated status reporting for each cash drawer, the A798
has a single connector that shares data reporting from either cash drawer. When either cash drawer is open, an open status
is reported by the printer.
Related information
In LEGACY emulation, this command is ignored.
Request alternate status (A793 emulation only)
ASCII ESC u n
Hexadecimal 1B 75 n
Decimal 27 117 n
Value and Range of n:
Value of n Function Description
00 Drawer 1 High = Open
Low = Closed or Not Present
01 Drawer 2 High = Open
Low = Closed or Not Present
02 Paper Low High = Paper Out
(Not Implemented. Low = Paper Present
Interpreted as
Paper Out.)
03 Paper Out (Default) High = Paper Out
Low = Paper Present
>03 Ignored, No Change Printer Does Not Stay BUSY
1
1
PAPER EXHAUST LINE is valid to indicate previously requested status.
This command allows the printer to inform the host when the data in the buffer has been processed. The PAPER
EXHAUST line shows the status for the cash drawer or receipt paper as shown in the table.
Status information is limited to what can be sent by the dedicated lines: BUSY, ACK, PAPER EXHAUST, and FAULT.
Exceptions
Parallel communications only.
- Programming Guide 1
- Contents 3
- 4 Revision C 12/09 4
- 6 Revision C 12/09 6
- 8 Revision C 12/09 8
- A798 Programming Guide 10
- Chapter 1: About this Guide 10
- Revision C 12/09 10
- A798-PG00001C 10
- Start-up Diagnostics 11
- Runtime diagnostics 12
- Remote diagnostics 12
- Comm Class” 13
- Indicators 14
- Printer conguration 15
- Conguring the printer 16
- Communication interface 17
- Diagnostic modes 18
- Printer emulations 19
- Overview of commands 23
- Comparison to A793 23
- Character appearance 25
- Print zones 25
- Rotated printing commands 26
- Emulation modes 27
- Commands listed by function 29
- Text characteristics 30
- Graphics 31
- Bar codes 32
- Page mode 32
- User data storage 32
- Command conventions 33
- Command descriptions 34
- Generate tone 35
- Initialize printer 35
- Select cut mode and cut paper 38
- Print test form 38
- Print and paper feed 39
- Add n extra dot rows 40
- Print and feed paper 41
- Print and feed n lines 41
- Horizontal tab 42
- Set column 42
- Set vertical line spacing 44
- Set horizontal tab positions 44
- Set relative print position 45
- To move to the left: 45
- Select justication 46
- Set left margin 46
- Set printing area width 47
- Text characteristics commands 48
- Select pitch (column width) 49
- Select print mode 50
- 51
- Cancel user-dened character 53
- Select or cancel italic print 54
- Select character size 57
- Select bit image mode 60
- Print Flash Logo 62
- Dene Flash Logos 62
- Select the current logo 62
- Dene downloaded bit image 63
- Print downloaded bit image 64
- Print raster graphics 65
- Status command introduction 65
- Batch mode 65
- Transmit paper sensor status 67
- Transmit printer ID 68
- Transmit status 71
- Send printer software version 72
- Real time commands 73
- Moving data through the buer 74
- Real time status transmission 74
- Real time request to printer 77
- Real time commands disabled 78
- Unsolicited status mode 79
- Print bar code 84
- Print multiple barcodes 85
- 29 107 n d1... 00 87
- 29 107 m nL nH d1... dn 87
- Select PDF 417 parameters 88
- Select bar code width 89
- Sample symbol description: 89
- Select page mode 91
- Select standard mode 92
- Set print area in page mode 93
- Execute macro 95
- Erase user ash sector 99
- Flash download 100
- Get rmware CRC 101
- Return microprocessor CRC 101
- Erase selected ash sector 102
- Reset rmware 102
- Return main program ash CRC 102
- Appendix A: 104
- Appendix B: 108
- Resident Character Sets 108
- Code page 737 (Greek) 109
- Code page 850 (Multilingual) 110
- Code page 852 (Slavic) 111
- Code page 857 (Turkish) 112
- Code page 860 (Portuguese) 114
- Code page 862 (Hebrew) 115
- Code page 865 (Nordic) 117
- Code page 866 (Cyrillic) 118
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