In this article, we will discuss what the zsr.dll file is and how to workaround a known issue in HP LaserJet 1020 printers. We will also look at steps you can follow to prevent the occurrence of common printer DLL errors, such as the zsr.dll error.
What is zsr.dll?
The zsr.dll file belongs to the SurePrint program and is included in the driver CD of HP LaserJet 1020 printers.
HP LaserJet 1020 printer cannot print PDF files
One constant blotch on HP LaserJet 1020 printers is its inability to print PDF files.
Listed below is an instance of an error that may occur when you try to print PDF files using HP LaserJet 1020 printer on a Windows computer:
“Faulting application spoolsv.exe, version 5.1.2600.2696, faulting module ZSR.DLL, version 6.20.1625.0, fault address 0x0001f979â€
The occurrence of an error while printing PDF files through HP LaserJet 1020 printers is not limited to Windows XP computers only. The error also occurs on other versions of Windows computers, such as Windows Vista and Windows 2000. However, the error message that may appear on your screen may differ slightly from  the one listed above.
Cause of the Error
To print PDF files you require a PCL supported Printer. As LaserJet 1020 is a HOST-based Printer, it cannot print PDF files.
Workaround
To workaround this issue, download Fineprint and install it on your computer. When you print a PDF document, point to Fineprint, and select HP LaserJet 1020 as the printer you want to print to.
Fineprint provides HP LaserJet 1020 printers with the necessary PCL capabilities, allowing it to successfully print PDF files.
Steps to prevent common printer DLL errors from occurring
Common printer DLL errors, such as the zsr.dll error may also occur when the DLL file is deleted or the printer drivers are outdated.
A common cause of deletion of DLL files is malware infection. Malware programs, such as viruses, worms, and trojans deliberately delete important DLLs and other files from your computer, causing recurring error messages to appear. To prevent printer DLL errors from occurring, install robust antivirus and antispyware programs on your computer.
To prevent printer DLL errors from occurring due to outdated printer driver files, keep your printer drivers up-to-date. Driver Finder is an efficient driver update tool that can automate the tasks of updating printer and other device drivers on your computer.
You may also experience DLL errors, such as the zsr.dll error in case your Windows registry is corrupt or damaged. To prevent such a situation from arising, regularly clean your registry using reliable registry cleaning software, such as RegServe.