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Chapter 4: Programming Commands100
Revision C 12/09
A798-PG00001C
Flash download
These commands are used to load rmware into the printer.
The commands are listed in numerical order according to their hexadecimal codes. Each command is described and the
hexadecimal, decimal, and ASCII codes are listed.
There are three ways to enter the download mode.
1. Powering the printer up with DIP Switch 1 down.
2. While the printer is running normally, send the command, “Switch to ash download mode” (1B 5B 7D) to leave
normal operation and enter the download mode.
3. If the ash if found corrupted during level 0 diagnostics the download mode is automatically entered after the printer
has reset.
The printer never goes directly from the download mode to normal printer operation. To return to normal printer operation
either the operator must turn the power off and then on to reboot or the application must send a command to cancel
download mode and reboot. DIP switch 1 must in UP position during reboot to return to normal printer operation.
When each ash download command is received, the printer returns either ACK or NAK to the host computer when each
command is received:
• ACK (hexadecimal 06)
Sent when the printer has received a host transmission and has completed the request successfully.
• NAK (hexadecimal 15)
Sent when a request is unsuccessful.
Communicates to the printer information downloaded from applications. Data is downloaded to ash memory to query the
state of the rmware, calculate the rmware CRC and other functions.
Switch to ash download mode
ASCII ESC [ }
Hexadecimal 1B 5B 7D
Decimal 27 91 125
Puts the printer in ash download mode in preparation to receive commands controlling the downloading of objects into
ash memory. When this command is received, the printer leaves normal operation and can no longer print transactions
until the reboot the printer command (1D FF) is received or the printer is rebooted.
This command does not affect the current communication parameters. Once the printer is in ash download mode, this
command is no longer available.
Related information
See entering ash download mode elsewhere in this book to put the printer in ash download mode using the conguration
menu.
Return boot sector rmware part number
ASCII GS NULL
Hexadecimal 1D 00
Decimal 29 0
Returns ACK (Hex 06) + 12 bytes ASCII string describing the ash memory boot sector rmware part number.
Ex : 189-1234567A
Exceptions
Available only in download mode.
- 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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