Scanner Axis Motor Obstruction
Last updated: February 21, 2026
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Repair for HP DJ 500 Check/Clean/Replace ERROR: 81:01 Encoder Disk /Motor 41:10/ Disk Sensor 56:10
I'mEN: Fix problem for (Error:81:01/11): Check/Clean/Replace Disk Encoder (Error:56:10/13): Check/Clean/Replace Drive ...
The scanner carriage motor encountered an obstruction or failed to move freely along its axis. This prevents the scanner from performing any operations.
- 1
Turn the printer off and disconnect the power cord.
- 2
Carefully open the scanner lid and inspect the scanner path for any foreign objects, paper jams, or debris that might be blocking the scanner carriage.
- 3
Gently try to move the scanner carriage by hand (if it moves freely) to check for resistance. Reconnect power and turn on the printer.
Model-Specific Notes: • T-Series MFP (T850/T950/T2600): Pay close attention to the small plastic gears and belt tension. Ensure the scanner rail is clean and lightly lubricated with a non-acidic, plastic-safe lubricant if dry. Expert Insight: After disconnecting power, manually move the scanner carriage. If it feels stiff or grinds, check the belt for fraying or misalignment. Inspect the motor pulley and the encoder strip for damage or dirt. A faulty encoder strip or sensor can cause the motor to lose its position, triggering this error. Measure the motor's resistance and check for continuity if suspected to be faulty.
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Related Questions
The mechanism that moves the printheads back and forth across the media during printing. It rides on a guide rail and is driven by the scan-axis motor via a belt.
The motor that drives the carriage assembly horizontally across the platen. It's responsible for the precise left-right movement of the printheads during printing.
An accessory that automatically winds printed output onto a roll as it exits the printer, preventing the print from touching the floor.
The motor responsible for feeding media through the printer in precise increments between each pass of the printhead carriage.
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