E-02 HOSON 汉森
Applies to: DTF / 写真机（汉森板） · Firmware: v2.3 - v3.1
What the customer sees
E-02 appears after misaligned prints, or directly at self-test.
Most likely causes (ranked)
60% Dirty encoder strip
25% Encoder reader loose or shifted
15% Scratched encoder strip
4 steps the customer can do
1
Power off and wipe the encoder strip one-way with alcohol.
2
Check both end clips of the encoder strip.
3
Visually check the strip for scratches.
4
Restart and run one print calibration.
3 technician steps
1
Replace a scratched encoder strip.
2
Adjust reader-to-strip gap.
3
Check encoder signals on the carriage board.
3 customer prohibitions
Related parts: 光栅条 / 光栅读头
Start step-by-step diagnosis from this code →Contact an online technician (Human-Gate PENDING)← Error Codes
High-risk actions enter the Human-Gate queue and are never auto-executed.