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Difficulty: HardPrinter and Multifunction Device Issues

A network administrator installs a new high-volume department laser printer. Users report that standard word processing documents and operating system test pages print cleanly, but attempting to print complex graphics-heavy blueprints from a specialized design application results in the printer outputting dozens of pages filled with unreadable, garbled ASCII symbols and random control characters. Which of the following is the most likely root cause of this issue?

  1. An incorrect or corrupted printer driver (such as PCL instead of PostScript) is installed on the workstations.Answer
  2. B
    The high-voltage power supply or primary corona wire inside the laser printer is defective.
  3. C
    The network switch port connecting the printer is experiencing physical layer packet corruption.
  4. D
    The printer internal memory (RAM) is completely corrupt and must be physically replaced prior to further testing.

Answer

An incorrect or corrupted printer driver (such as PCL instead of PostScript) is installed on the workstations.
When a printer successfully prints basic text documents but outputs endless pages of unreadable ASCII text and random code symbols when printing graphics or PDFs, the root cause is a Page Description Language (PDL) interpretation error caused by an incorrect, corrupted, or generic printer driver (e.g., using a basic PCL driver instead of a PostScript driver suited for complex graphics).

Step-by-Step Solution

1
Analyze the reported symptom and operational scope
Standard text documents and OS test pages render correctly, but complex graphics from specific applications print garbled ASCII code.
This indicates that the physical hardware, toner, fuser, network layer, and basic print commands are working properly.
2
Identify the component responsible for translating complex graphical applications into printer page instructions
The printer driver and page description language (PDL) are responsible for interpreting graphics software data.
If the wrong driver (e.g., PCL instead of PostScript, or a generic driver) is used, complex vector instructions are misread by the printer controller as raw text commands.
3
Determine the correct resolution step per CompTIA troubleshooting methodology
Install or update to the manufacturer-recommended PostScript or vendor-specific driver designed for graphics rendering.
Replacing or reconfiguring the driver resolves the PDL translation mismatch without unnecessary hardware replacements.

Key Concept

Printer Driver and Page Description Language (PDL) Misconfiguration
Estimated Time:1m 30s
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Topics

Printer and Multifunction Device Issues

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