[balenofeng]

077-909 IOT Static Jam
BSD on:CH3.1
Description
At Power ON or with Interlock closed, one of the sensors of IOT sensed paper.

Check Items
Check NVM[742-003](IOT Jam Sensor Chain No.) and NVM[742-004](IOT Jam Sensor Link No.) to identify which sensor has caused IOT Static Jam.

E.g.: If the current value in NVM[742-003] is [77] and the current value in NVM[742-004] is [108], it indicates the cause is DC330[077-108]=IOT Exit Sensor. Turning OFF the power clears the values in NVM[742-003] and NVM[742-004]. The suspected sensors are as follows:

[071-100] Tray 1 Pre Feed Sensor

[072-100] Tray 2 Pre Feed Sensor

[073-100] Tray 3 Pre Feed Sensor

[074-100] Tray 4 Pre Feed Sensor

[010-201] Fuser Exit Sensor

[077-105] Invert In Sensor

[077-106] Invert Path Sensor

[077-100] Trans Path Sensor 1

[077-101] Trans Path Sensor 2

[071-101] Feed Out Sensor 1

[072-101] Feed Out Sensor 2

[073-101] Feed Out Sensor 3

[074-101] Feed Out Sensor 4

[077-103] Pre Regi Sensor

[077-104] Regi Sensor

[077-107] Invert Out Sensor

[077-108] IOT Exit Sensor

[077-109] Dup In Sensor

[077-110] Dup Path Sensor 1

[077-111] Dup Path Sensor 2

[077-112] Dup Out Sensor

[075-100] MSI Pre Feed Sensor

[075-101] MSI Feed Out Sensor

Check the machine inside for pieces of paper.

Signal line from the sensor for a short to the frame

Check if the Sensor actuator improperly returns.

Sensor for light from outside

Check for a drop in the power voltage to the sensor.

[balenofeng]

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077-909静态卡纸，可能是纸路上有残留的纸屑，或者某个传感器有故障了，按照上面应该可以解决的
另外纸张大小与设定不符好像也会引起卡纸的，但是不是这个代码我就不记得了