E-04 SENYANG 森阳
Applies to: DTF / 热升华（森阳板，带收放布） · Firmware: v1.6 - v2.2
What the customer sees
E-04 appears mid-print and media feeding stops.
Most likely causes (ranked)
40% Media roll stuck / skewed and jammed
30% Tension set too high
20% Take-up motor failure
10% Driver board failure
4 steps the customer can do
1
Check the media roll is straight and not jammed at the edges.
2
Lower take-up tension one level.
3
Clear obstructions from the shaft and guide rollers.
4
Restart and test-print at low speed.
3 technician steps
1
Check the tension sensor.
2
Measure the take-up motor.
3
Check driver-board output.
3 customer prohibitions
Related parts: 收布电机 / 张力传感器
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.