Do You Know How To Solve These HP Printer Issues?
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Do you know how to solve these HP printer issues?


1. There are bad codes on the paper
1) Let the HP printer check itself, if there is bad code issue, the machine should be sent to the fix center.
2) Starting printing with the printer driver installed, make sure that the driver is correctly installed.
3) Start-enter cmd, enter the DOS for testing, order: echo and enter printing content>LPT1( fill with the corresponding port)
2.When printing invoice, the end of the paper is blank
1) Check whether the HP printer drivers are corresponding with the printer type.
2) Normally there is page setting feature in the POS software, we can set the page length with it.
3) Adjust the driver property settings, detailed steps are as follows:
Right click to open the driver install property-printing first option-advanced-page specification
4). Set the page according to the printer type 58 custom length, 76 custom length, 80 custom length etc.
3. HP Thermal printer print fuzzy characters
1) Whether the printing paper quality is bad;
2) Make sure that the power is normally supplied. Normally, printer with cutter and needle is 24 V,58 thermal is 12 V
3) Whether there is paper or dust in the printing head, if there is, we can clean it up with alcohol.
4. The HP printer can work but no cashbox pop up
If printing with the old version printer driver, we need to choose When to pop cashbox: Page end in printer driver property-printing first option-advanced-file option; if you download drivers of the latest version ( the hp printer driver updates from the official hp site), just click device manager in the printing property and set the “When to Pop cashbox” to be “Page End”.
If you print without printer driver, check whether there is pop cashbox order with program system settings.  
5. Connected HP printer doesn’t print
1) Self check whether the printer is normal.
2) Whether the driver port is correct. Parallel printer is LPT port, Serial printer is COM port.
3) Choose the driver port to be connected with the computer port. If the user use USB connector, the switch port will generate fake port when installing the switch wiring driver. The driver port should be chosen as the generated fake port.
4) Check with the test program provided by the manufacture, also we can start the computer-run and enter CMD to enter DOS for testing, order: echo to enter printing content.
6. How to install the HP printer driver in Windows 2003
1).Run GPEDIT.MSC in start menu.
2).computer configuration/windows settings/security settings/local strategy/security options
Device: prevent user from installing HP printer driver and set the security settings to be “disabled”
Device: as for the unsigned driver program install, set the security settings to be “permit but warn”
3) Computer configuration/manager model/printer
Disable the ”printer with Kernel-mode driver installation are not allowed”
Add printer driver in “printer and fax” add guide.
7. The above half printing paper is clear but the rest is not
This could be due to the uneven placement of the color frame. In the case, reinstalling the frame should work.  

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