A user attempts to print diagrams on 11×17 inch (28×43 cm) paper. The correct paper is loaded, but the printer keeps prompting for paper. Another identical printer prints successfully. What is the MOST likely cause?
When a printer refuses to use paper that is physically present in the tray, CompTIA A+ identifies tray configuration settings as the most likely cause. Printers require a match between tray settings (paper size, paper type, orientation) and the incoming print job’s specifications. If the tray is incorrectly configured—such as being set to Letter (8.5×11 in) or A4—then the printer will keep prompting for the correct paper even though 11×17 paper is loaded.
The fact that the technician successfully prints the same diagram on another identical printer proves that the driver, print job format, and user permissions are correct. This isolates the issue to the local printer’s configuration. Incorrect drivers (B) would affect printing on both printers. Connectivity issues (C) would prevent printing entirely, not cause paper prompts. Permissions (D) do not affect paper-size recognition.
Therefore, the most likely cause is improper tray settings on the user’s printer.
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