Lexmark MX931dse error 31.01: Paper Jam Fix
Lexmark MX931dse error 31.01 is a common alert relating to paper jams in the device's registration area. It triggers when the paper fails to reach the timing sensor, stopping the printing cycle. To resolve this paper path error in the MX931dse, you need to inspect the internal components and clear out any debris.
Common causes
- 1Stuck paper obstructing the position sensor.
- 2Worn or dirty feed rollers losing traction.
- 3Unsupported paper weights used in the tray.
- 4External debris like staples inside the mechanism.
Solutions
Diagnóstico rápido
The error 31.01 occurs when feeding from the main tray. If no paper is visible, the issue is often a small scrap of paper blocking the registration sensor flag, tricking the printer into thinking there is an obstruction.Solución paso a paso
- Access Internal Areas: Open all trays and doors as prompted by the control panel.
- Manual Removal: Pull paper out smoothly without using metal tools that could damage rollers.
- Check for Debris: Use a flashlight to find tiny corners or label scraps stuck in the path.
- Sensor Reset: Close all doors firmly so the system can run an auto-calibration cycle.
Prevención y mantenimiento
Only use fresh, dry paper in the trays. Keep the tray area dust-free and clean the pickup rollers periodically. Authentic toner cartridges and good paper quality prevent these mechanical errors.Cuándo llamar a un técnico
If the 31.01 error persists despite thorough cleaning, the registration sensor or the feed clutch might have failed and require professional maintenance.Ficha técnica del equipo
- Technology: High-speed laser MFP.
- Speed/Performance: Up to 60 ppm.
- Connectivity: Gigabit Ethernet, USB 2.0.
- Input capacity: Up to 2300 sheets with extra trays.
- Compatible consumables: Lexmark MX93x cartridges.
- Recommended use: High-volume offices.
- Official firmware / drivers
Steps to follow
- 1
Open access doors
Open the front door and transport unit to inspect the paper path.
- 2
Safe extraction
Gently pull any stuck paper out in the direction of the paper flow.
- 3
Roller cleaning
Clean the feed rollers with a lint-free cloth lightly dampened with distilled water.
- 4
Sensor check
Ensure no paper fragments are obstructing the registration sensor flags.
Frequently asked questions
Error 31.01 indicates an undetected paper jam or a registration sensor malfunction during tray feeding.
Clear it immediately to prevent roller wear or permanent sensor damage from pressure.
Use standard 75-90 g/m² paper. Damp or heavy stock is the most common cause of paper jam errors.
Perform roller cleaning every 50,000 pages or if the printer starts slipping while grabbing paper.