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Question

Difficulty: MediumPrinter and Multifunction Device Issues

A technician is dispatched to resolve a recurring ticket for an enterprise multifunction laser printer. Single-sided printing functions normally across all trays, but every double-sided print job results in a paper jam inside the internal return pathway immediately after the page is inverted. Which of the following components is most likely causing this failure?

  1. A
    The primary transfer roller
  2. The duplexing assemblyAnswer
  3. C
    The print spooler driver configuration
  4. D
    The network interface card (NIC)

Answer

The duplexing assembly is the most likely component causing paper jams during double-sided printing operations.
The duplexing assembly is specifically designed to reverse the paper motion and feed the page back through the printing pathway so that the second side can be printed. When single-sided printing works without error but double-sided printing consistently jams during the flip step, the issue lies directly with the rollers, gears, or switches within the duplexing assembly.

Step-by-Step Solution

1
Analyze the reported symptom and specific failure point.
Single-sided print jobs complete successfully, confirming that standard input trays, pickup rollers, and primary exit paths operate properly. Jams occur exclusively when double-sided printing is requested during the page inversion process.
Isolating the issue to double-sided printing eliminates general feeding components and focuses troubleshooting on the duplex unit path.
2
Identify the hardware component responsible for page reversal and secondary routing.
The duplexing assembly handles reversing paper direction and guiding the sheet back through the feed path for printing on the reverse side.
Worn rollers, damaged gears, or obstruction within the duplex pathway prevent the paper from re-entering correctly, causing paper jams specifically during inversion.
3
Determine the corrective action.
Inspect, clean, or replace the duplexing assembly rollers and feed mechanism.
Restoring mechanical integrity to the duplex unit allows the inverted pages to travel smoothly to complete two-sided print jobs.

Key Concept

Duplex Unit Troubleshooting
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Topics

Printer and Multifunction Device Issues

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