Printer Troubleshooting

What causes vertical lines appearing on each output page of a laser printer

Imaging drum

Which step would resolve vertical lines on an inkjet printer

Cleaning printheads

What causes garbled characters on printers

Faulty or outdated drivers, corrupted print jobs, or communication errors.

What can cause paper jams

1. Obstructed paper path

2. Curled paper

3. Incorrect paper type or size

4. High humidity

5. Overloaded trays

6. Dirty or worn pickup rollers

What are best practices when clearing paper jams

1. Open all access doors

2. Inspect all areas of the paper path

3. Check for worn or dirty pickup rollers

4. Power cycle printer after

Common cause of faded laser printer printouts

Low or uneven toner

Common cause of faded inkjet printer printouts

Low ink or clogged printhead

What can cause paper to not feed

1. Overloaded tray

2. Foreign objects in paper path

3. Worn or dirty feed rollers

4. Paper quality or type issues

What can cause a printer to pull two pages at once causing jams

1. Paper quality

2. Worn or faulty separation pad

3. Overfilled tray

4. Worn or dirty pickup rollers

5. Humidity

What should a technician do first to fix stuck jobs in queue

Restart the print spooler service

Common cause for speckling on prints in a laser printer

1. Leaking toner

2. Paper dust, debris. or excess toner buildup

3. Contaminated or faulty imaging drum

What can cause dark spots on inkjet printer printouts

1. Excess paper dust, debris, or ink residue on the paper path

2. Partial blockages on printhead nozzles

3. Leaking ink

What causes double or echo images in a laser printer

residual latent images on imaging drum being reused in same print cycle

What causes grinding noises in an inkjet printer

1. Worn, damaged or misaligned paper feed rollers

2. Small paper pieces or foreign objects in paper path

3. Printhead carriage mechanism malfunctions

What can be done to troubleshoot echo images in a laser printer

1. Check imaging drum for wear and toner buildup

2. Verify fuser is operating at the correct temp

What should be checked when you hear grinding in an laser printer

1. Faulty or worn fuser rollers and bearings

2. Worn or damaged gears and bearings

3. Paper path obstructions

4. Improperly aligned, worn, or faulty paper feed rollers

Where do you check paper orientation settings

Printer driver settings

What can cause a failed tray recognition

1. Dirty or malfunctioning sensor

2. Printer settings do not match

3. Unseated or improperly inserted tray

What do you check to troubleshoot network connectivity

1. Verify physical connections

2. Restart devices

3. Check firewall settings

4. Update printer drivers

5. Check printers IP config

6. Uninstall/reinstall printer software on computer

What can solve a frozen print queue

1. Restart print spooler service

2. Manually cancel all pending jobs

3. Power cycle computer and/or printer

4. Update or reinstall driver/software