README 1st for DNP DS820 Printer Firmware v1.21 Update Utility for Windows


General Information: 
This firmware update utility will install new firmware onto the DS820 or DS820A photo printer.  Installing this firmware may add functionality or modify printer behavior for improved functionality.  
Installing the most current firmware version will include all improvements of the previous firmware updates.  Installing each of the incremental updates are not necessary.  

The DS820 firmware update utility supports Windows 7/8/10.

Refer to the User Guide for complete details. 

Instructions:
1 Confirm your DNP printer is connected and powered on  
2 Download the firmware update file
3 Unzip the file that was downloaded (Without this step, the update tool will not run)
4 Select the folder that matches your operating system, either 32bit or 64bit (hint - most operating systems Windows 7 or later are 64bit) 
5 Double click on the application file, DP-DS820_0121x86_Direct or DP-DS820_0121x64_Direct.  You should see only one application file, the name will depend on the folder that was opened.
6 Follow the directions of the application as prompted.

NOTE: The LEDs on the printer will flash while the firmware is being updated.

- The printer will "beep" several times during this process. 
- The computer display will show the update progress.
- Wait until the update process has completed.  
- DO NOT interrupt the process.  The dialog box will indicate completion.  

- The entire process will take about a minute to complete.


IMPORTANT CAUTION NOTE:  

DO NOT turn off or disconnect the printer or PC during this process once it starts. 
DO NOT try to make a print or change media during this process.


Note: 
Some new features require the complementary printer driver update to enable and use the functions.  


DS820 Firmware updates - release notes
-	Counter measure for error that occur when initializing a specific brand-new ribbon.
-	Improves ribbon panel detection for aging printers. Renews the sensor data during paper initialization. 
- 	Minor hardware behavior improvements, no new features with this release:
- 	Fine tuning of the density for 300dpi printing with PP Pure Premium print media.
- 	Improve thermal transfer performance to prevent intermittent ribbon sticking in the overlap area during continuous panorama printing.
- 	Change the counter behavior when panoramic print is interrupted.  Each counter in the case of the interruption will not be changed.
- 	Added low-temperature warning at print start for panoramic print.


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