Free Printer Troubleshooting practice questions
10 free 220-1201 questions on Printer Troubleshooting, each with a full explanation — no account needed. This section sits in the Troubleshooting part of the exam. Answer every question to see your score, then read the lessons below for anything you missed.
Users complain that COPIES made through the ADF have a single dark vertical line, but prints from computers look normal. What is the MOST likely cause?
Copies made through the ADF pass the original over a narrow scan strip of glass at the edge of the platen; a speck of dust, correction fluid, or ink on that strip is read on every line of every page and produces a single dark vertical line. Because prints sent from computers are clean, the print engine, including the imaging drum, is not the cause, which rules out a scratched drum. A scratched pickup roller or a misaligned feed guide would cause misfeeds, skew, or jams, not a clean, consistent line. Clean the ADF scan strip and its white backing with a lint-free cloth and re-copy.
A user reports vertical lines on every printed page. You print a configuration/status page directly from the printer’s control panel and the lines are still present. What is the BEST next step?
If the printer-generated page has the defect, you’ve bypassed the PC, driver, and spooler—this is a printer-side issue (consumables/print engine). The exam-friendly next step is reseat/replace the cartridge and run built-in cleaning/calibration before deeper parts replacement.
A laser printer frequently pulls two sheets at once (multipage misfeed). Paper is correct size and dry. What component is MOST likely worn?
Double-feeding is almost always poor separation. A worn separation pad can’t hold back the second sheet, so the pickup system grabs multiple pages.
A printer begins jamming immediately after staff loaded a new stack of paper. The jam occurs right after pickup (near the tray). What is the BEST first action?
A jam right at pickup right after refilling paper strongly suggests media/tray loading issues (wrong size/type, damp/curled sheets, guides misset, overfilled tray). This is the lowest-risk, highest-probability first step.
A shared printer shows “10 documents pending” and nothing prints. One job at the top is stuck in “Printing” and cannot be canceled from the user’s session. What is the BEST next step?
A blocked queue is commonly one bad job wedging the pipeline. The exam-aligned workflow is: cancel/clear the offending job (often requires admin), restart the spooler, power-cycle the printer if needed, then verify with a simple test page before reprinting the original file.
A laser printer produces “speckling” (tiny random dots) on every page. The defect also appears on the printer’s internal demo/config page. You swap to a fresh ream of dry plain paper and the speckling remains. What is the BEST next step?
Because the internal page is affected, it’s printer-side (not driver/app). After ruling out paper, the next lowest-risk/high-probability step is cartridge seating/condition (toner shedding) plus the device’s cleaning routine before replacing higher-cost parts.
A Windows print queue is frozen: one job is stuck in “Deleting,” and nothing else prints. Users cannot cancel it. What is the BEST next step for a technician with admin rights?
A job stuck in Deleting/Printing commonly indicates a corrupted spool file blocking the queue. The exam-aligned fix is spooler service reset + clearing spool files (admin), then verify with a simple test print before reattempting the original document.
Users report that jobs print, but stapling fails with a “staple jam” message. Printing continues until the finisher stops output. What is the BEST corrective action?
A staple jam is a finisher subsystem issue. The exam-appropriate fix is to service the finisher: clear the jam, reseat the staple unit, empty waste, and verify supported media/output capacity—before changing drivers or core print-engine parts.
A printer repeatedly says “Tray 2 empty” even though Tray 2 is loaded. The issue persists for all users. What is the BEST next step?
A tray detection problem affecting all users points to the device (tray seating, paper-size detection, tray sensors, or tray configuration), not the PC driver. The lowest-risk first step is physical reseat + correct tray size/type settings + restart to refresh accessory detection.
A shared MFP makes a loud grinding noise when printing starts, and paper does not advance. What should you do FIRST?
Grinding indicates a mechanical bind (gear/roller/obstruction). The safest first action is to stop motion/energy (cancel + power down), allow cooling (laser fuser), then inspect for jams/foreign objects and mis-seated cartridges—before continued attempts cause damage.
Study this section
Every lesson that covers Printer Troubleshooting on the 220-1201 exam.