CDT Calibration Error

http://www.dell.com/support/article/us/en/19/SLN152111/en

please see the error code 4 and proceed for fix it.
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Run the software calibration for fix it.test the speed sensor. The belt is running over the normal speed.

Precor Error Code 42 Error Code: 42 Manufacturer: Precor
Model: All Models
Error Description: Error 42, Lift Position Value Out of Range. Error 42 is displayed when the lift position reported by the lift position potentiometer is found to be outside its set limits.
If an Error 42 has occurred, it is important to know the physical position of the lift when the error occurred. It is possible the lift is physically out of range or jammed. In this case, the Error 42 is a secondary symptom and the issue should be approached as an Error 40. Possible Reason:

1. Bad or intermittent connection in the lift motor controller.
2. The lift motor requires calibration.
3. The lift motor potentiometer is bad.
4. The lower PCA to upper PCA cable is bad.
5. The lower PCA is bad.
6. The upper PCA is bad.

Recommended Action:

1. Intermittent connections can be difficult to locate. If the Error 42 condition is intermittent, a connection issue is probably the cause. This is definitely true if the Error 42 occurred while the lift was within its normal physical range. Inspect the lift potentiometer connector and repair connection if necessary. If the intermittent connection cannot be found or corrected, replace the lift motor. A lift calibration number of 0 or 255 indicates an open or shorted potentiometer connection. This means the problem could be anywhere between the lift motor and the upper PCA. Typically it can be identified and tracked using an ohmmeter.
2. Using the appropriate service manual for the unit being tested, refer to the lift calibration procedure. If the information in the service manual doesn't match the lift position/physical lift position of the unit, recalibrate the lift motor. [Something caused the lift motor to be out of calibration. Investigate for cause and correct. Simply recalibrating the lift motor will not solve the problem.]
3. If the lift calibration number is not 0 or 255 and does not change when the lift motor turns, replace the lift motor.
4. Check continuity of the interconnect cable or swap with a known good interconnect cable to verify if cable is bad.
5. Swap the lower PCA with a known good lower PCA to verify if the lower PCA is bad.
6. Swap the upper PCA with a know good upper PCA to verify if the upper PCA is bad.

Lift Position Value Out of Range Precor Error 42

go for free download: www. fitness.manualsonline. com or www. iconservice. com.
Test every connector and tight very well, see the fuse inside, see the diagram attached for reed swithc and speed sensor, clean and tight the connector very well.
run the software calibration for diagnose and troubleshooting.

Precor Error Code 42 Error Code: 42 Manufacturer: Precor
Model: All Models
Error Description: Error 42, Lift Position Value Out of Range. Error 42 is displayed when the lift position reported by the lift position potentiometer is found to be outside its set limits.
If an Error 42 has occurred, it is important to know the physical position of the lift when the error occurred. It is possible the lift is physically out of range or jammed. In this case, the Error 42 is a secondary symptom and the issue should be approached as an Error 40. Possible Reason:

1. Bad or intermittent connection in the lift motor controller.
2. The lift motor requires calibration.
3. The lift motor potentiometer is bad.
4. The lower PCA to upper PCA cable is bad.
5. The lower PCA is bad.
6. The upper PCA is bad.

Recommended Action:

1. Intermittent connections can be difficult to locate. If the Error 42 condition is intermittent, a connection issue is probably the cause. This is definitely true if the Error 42 occurred while the lift was within its normal physical range. Inspect the lift potentiometer connector and repair connection if necessary. If the intermittent connection cannot be found or corrected, replace the lift motor. A lift calibration number of 0 or 255 indicates an open or shorted potentiometer connection. This means the problem could be anywhere between the lift motor and the upper PCA. Typically it can be identified and tracked using an ohmmeter.
2. Using the appropriate service manual for the unit being tested, refer to the lift calibration procedure. If the information in the service manual doesn't match the lift position/physical lift position of the unit, recalibrate the lift motor. [Something caused the lift motor to be out of calibration. Investigate for cause and correct. Simply recalibrating the lift motor will not solve the problem.]
3. If the lift calibration number is not 0 or 255 and does not change when the lift motor turns, replace the lift motor.
4. Check continuity of the interconnect cable or swap with a known good interconnect cable to verify if cable is bad.
5. Swap the lower PCA with a known good lower PCA to verify if the lower PCA is bad.
6. Swap the upper PCA with a know good upper PCA to verify if the upper PCA is bad.

Lift Position Value Out of Range Precor Error 42

What do you mean labels that ask sensor type Mark? Describe the type of media.

RICOH ERROR CODES
Error Code Description
SC184 CIS Transmission Error
SC191 Bar Code Scanning Error SC192 Automated SBU Adjustment Error/Bar
Code Number is Different SC193 Image Transfer Error/IDU Error
SC194 SBU White Level Detection Error SC195 DF Gate Assert Error/Serial Number Error
Error SC196 DF Gate Negate Error
Code Description
SC197 DF Gate Error SC101 Exposure Lamp Error
SC198 Memory Address Error SC107 Scanner Lamp Regulator Malfunction
SC199 DF Scanning Finish Error SC120 Scanner Home Position Error 1
SC201: Polygon Motor Error HP Sensor Abnormal-Stays Off
SC220 Laser Synchronization Detection Error SC121 Scanner Home Position Error 2
SC221 Scan Length Detection Error HP Sensor Abnormal-Stays On
SC230 BCU Received no Feedback from LD SC122 Scanner Home Position Error 3
F- Gate Error SC123 Scanner Home position Error 4
SC231 Laser Beam Feedback Signal Error SC124 Scanner Motor Encoder Signal Error
F- Gate Timeout SC125 Scanner Motor Speed Error 1
SC240 LD Power Supply Excessive SC126 Scanner Motor Speed Error 2
SC260 HP Sensor Error SC127 Scanner Motor Encoder Rotating Direction
SC261 HP Sensor Not Turning Off Error
SC285 Line Position Error SC128 Scanner Motor Start Error
SC300 Charge Corona Output Error 1 SC129 Scanner Motor Speed Control Error
SC301 Charge Corona Output Error 2 SC130 SBU defective Error/Scanner Start
Charge Current Leak Abnormal
SC302 Charge Corona Output Error 3 SC131 F-Gate Asserted During Shading
Grid Voltage Error Charge Roller Current Leak
SC142: White level detection error. SC303 Charge Corona Output Error 4
SC143 SBU Auto Adjust Error Grid Leak
SC144 SBU Connection Error Charge Cleaner Motor Error SC150 Scanner ROM Mismatch SC304 Charge Roller Current Correction Error SC170 Scanner DA1 Abnormal/Video Processing SC305 Charge Corona Wire Cleaner Error 1
Error 1 SC306 Charge Corona Wire Cleaner Error 2
SC171 Scanner DA2 Abnormal/Video Processing Charge Roller Home Position Error Error 2
SC310 Potential Sensor Calibration Error 1 SC172 Scanner DA3 Abnormal/Video Processing
SC311 Potential Sensor Calibration Error 2 Error 3
SC312 Potential Sensor Calibration Error 3 SC173 Scanner Lamp Regulator Adjustment Error
SC314 Potential Sensor Calibration Error 4 SC174 Scanner DA2 Abnormal
SC315 Potential Sensor Calibration Error 5 SC181 CIS Lamp Abnormal
SC316 Potential Sensor Calibration Error 6 SC183 CIS Auto Adjust Error
SC317 Potential Sensor Calibration Error 7
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SC101 Scan Lamp Error
SC350 ID sensor pattern test error

Your scanner should be checked by a technician to determine what is causing the error. There isn't any calibration or troubleshooting that can be done unless you have scanner parts.

Here is it USER MANUAL WHERE IS LOCATED CTD SENOR

 

 

http://www.usersmanualguide.com/samsung/printer__color_laser_printer/clp-500

Here is it USER MANUAL WHERE IS LOCATED CTD SENOR

 

 

http://www.usersmanualguide.com/samsung/printer__color_laser_printer/clp-500