220-802 · Question #1025
A user calls the helpdesk to report that print jobs coming from a laser printer in the office are losing most of their toner due to being touched by hand smudge. The printer was recently serviced…
The correct answer is A. The fuser is not heating up to proper temperature levels necessary. In a laser printer, the fuser unit bonds toner to the paper by applying heat and pressure. If toner smears when touched, it means the toner was never properly fused - it is still loose powder sitting on the page. Since the fuser was recently replaced, the most likely cause is…
Question
A user calls the helpdesk to report that print jobs coming from a laser printer in the office are losing most of their toner due to being touched by hand smudge. The printer was recently serviced with a new fuser unit. Which of the following problems is MOST likely affecting the printer?
Options
- AThe fuser is not heating up to proper temperature levels necessary.
- BThe pickup rollers are likely dirty and leaving paper dust on all printed pages.
- CThe printer's firmware was not updated with the installation of the new fuser.
- DThe fuser was installed backwards and is not evenly heating printed pages.
How the community answered
(23 responses)- A74% (17)
- B4% (1)
- C13% (3)
- D9% (2)
Explanation
In a laser printer, the fuser unit bonds toner to the paper by applying heat and pressure. If toner smears when touched, it means the toner was never properly fused - it is still loose powder sitting on the page. Since the fuser was recently replaced, the most likely cause is that the new fuser is not reaching the correct operating temperature needed to melt and bond the toner. Dirty pickup rollers would cause paper feed issues, not smearing. Firmware updates are unrelated to heating function. Installing the fuser backwards is possible but less likely than a defective or improperly seated fuser that fails to heat correctly.
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