苏州hp打印机售后维修服务中心电话0512-696l6769

Code: 32.1C.0B
Display:
32.1C.0B
Description:
Backup is from newer version of firmware than what is currently on the product
Remedy:
Use a valid backup file, or put correct firmware version on the product

Code: 32.1C.0C
Display:
32.1C.0C
Description:
Backup canceled from the hp Embedded Web Server.
Remedy:
No action necessary
Code: 32.1C.0D
Display:
32.1C.0D
Description:
Backup/restore failed, auto-reboot failed, or the product might be busy.
Remedy:
Reboot and then retry the backup/restore
Code: 32.1C.0E
Display:
32.1C.0E
Description:
Backup/restore time-out while communicating with the formatter.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.11
Display:
32.1C.11
Description:
Backup/restore time-out while communicating with the engine.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.12
Display:
32.1C.12
Description:
Backup/restore time-out while communicating with the disk.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.13
Display:
32.1C.13
Description:
Scheduled backup failure.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.14
Display:
32.1C.14
Description:
NVRAM restore time-out while communicating with the formatter.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.17
Display:
32.1C.17
Description:
NVRAM restore time-out while communicating with the engine.
Remedy:
Turn the product off, and then on and retry

Code: 32.1C.18
Display:
32.1C.18
Description:
Copy subsystem backup failed.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.19
Display:
32.1C.19
Description:
Backup/restore unknown error.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.1A
Display:
32.1C.1A
Description:
Digital Send subsystem backup failed.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.1B
Display:
32.1C.1B
Description:
Backup of print subsystem failed.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.1C
Display:
32.1C.1C
Description:
Backup of networking subsystem failed.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.1E
Display:
32.1C.1E
Description:
Copy subsystem restore failed.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.1F
Display:
32.1C.1F
Description:
Fax subsystem restore failed.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.20
Display:
32.1C.20
Description:
Digital Send subsystem restore failed.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.21
Display:
32.1C.21
Description:
Restore of print subsystem failed.
Remedy:
Turn the product off, and then on and retry If the error persists, clear the firmware image from the active partition by using the Partial Clean item in the Preboot menu.
Code: 32.1C.22
Display:
32.1C.22
Description:
Restore of networking subsystem failed.
Remedy:
Turn the product off, and then on and retry If the error persists, clear the firmware image from the active partition by using the Partial Clean item in the Preboot menu.
Code: 32.1C.23
Display:
32.1C.23
Description:
Failed to restore address book subsystem.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.24
Display:
32.1C.24
Description:
NVRAM backup/restore successful.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.25
Display:
32.1C.25
Description:
Copy subsystem reset failed.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.26
Display:
32.1C.26
Description:
Fax subsystem reset failed.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.27
Display:
32.1C.27
Description:
Digital Send subsystem reset failed.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.28
Display:
32.1C.28
Description:
Reset of print subsystem failed.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.29
Display:
32.1C.29
Description:
Reset of networking subsystem failed.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.2B
Display:
32.1C.2B
Description:
Reset formatter time-out.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.2E
Display:
32.1C.2E
Description:
Reset engine time-out.
Remedy:
Turn the product off, and then on and retry
Code: 32.1C.2F
Display:
32.1C.2F
Description:
Reset failure.
Remedy:
Turn the product off, and then on and retry
Code: 32.21.00
Display:
32.21.00
Description:
Corrupt firmware in external accessory.
Remedy:
Turn the product off, and then on and retry. If the error persists, clear the firmware image from the active partition by using the Partial Clean item in the Preboot menu.
Code: 33.01.01
Display:
33.01.01
Description:
Read back data from ICB and pass to SR clients so that they can recover occurred Information.
Remedy:
This is an informational message, and no action is required.
Code: 33.01.02
Display:
33.01.02
Description:
Save data received from SR clients is written into ICB NVRAM initial-save-occurred Information.
Remedy:
This is an informational message, and no action is required.
Code: 33.01.03
Display:
33.01.03
Description:
Save and Recover functionality OK after previously being disabled. Save/Recover status OK Information.
Remedy:
This is an informational message, and no action is required.
Code: 33.01.04
Display:
33.01.04
Description:
A table from the ICB could not be found in the current firmware. The table data was ignored.
Remedy:
This is an informational message, and no action is required.
Code: 33.01.05
Display:
33.01.05
Description:
A table from the ICB has different data than the table with a matching ID in the current firmware. The table data was ignored.
Remedy:
This is an informational message, and no action is required.
Code: 33.02.01
Display:
33.02.01
Description:
A used part with data was replaced in the device. Used board/disk installed.
Remedy:
Turn the product power off, and then on again. If the error persists, please escalate this problem to your Global Business unit.
Code: 33.02.02
Display:
33.02.02
Description:
A Save/Recover status error has occurred on the product and one, or both, of the Save/Recover features are disabled.
Remedy:
Turn the product power off, and then on again. If the error persists, please escalate this problem to your Global Business unit.
Code: 33.02.03
Display:
33.02.03
Description:
The Save/Recover backup feature has failed, and the Save/Recover features are disabled, but the product continues to function.
Remedy:
Turn the product power off, and then on again. If the error persists, please escalate this problem to your Global Business unit.
Code: 33.03.01
Display:
33.03.01
Description:
The controller encountered an unexpected data length for the Storage ID value.
Remedy:
Turn the product power off, and then on again. If the error persists, please escalate this problem to your Global Business unit (return the product ICB to the Global Business unit with a full diagnostic log from the product).
Code: 33.03.02
Display:
33.03.02
Description:
The controller encountered an unexpected data length value for the engine to recover the DCC NVRAM value.
Remedy:
Turn the product power off, and then on again. If the error persists, please escalate this problem to your Global Business unit (return the product ICB to the Global Business unit with a full diagnostic log from the product).
Code: 33.WX.YZ
Display:
33.WX.YZ Used board/disk installed
Description:
An encrypted board or disk with existing data previously locked to a different product has replaced the original. If you continue, data is permanently lost.
Remedy:
- To save the data on the board or disk, turn the product off. Replace the board or disk with another board or disk. - To delete the data on the board or disk and continue, press the OK button.
Code: 40.00.01
Display:
40.00.01 USB I/O buffer overflow To continue, touch “OK”
Description:
The USB buffer overflowed during a busy state.
Remedy:
1. Press the OK button to print the transferred data. Some data might be lost. 2. Check the host configuration.
Code: 40.00.02
Display:
40.00.02 Embedded I/O buffer overflow To continue, touch “OK”
Description:
Too much data was sent to the embedded hp Jetdirect print server. An incorrect communications protocol might be in use.
Remedy:
1. Press the OK button to print the transferred data. Some data might be lost. 2. Check the host configuration.
Code: 40.00.03
Display:
40.00.03 EIO buffer overflow To continue, touch “OK”
Description:
The product displays this message when the EIO card in the indicated slot has overflowed its I/O buffer during a busy state.
Remedy:
Press the OK button to continue.
Code: 40.00.04
Display:
40.00.04 EIO bad transmission To continue, touch “OK”
Description:
The product displays this message when a connection with the card in the indicated slot has been abnormally broken.
Remedy:
Press the OK button to continue.
Code: 40.00.05
Display:
40.00.05 Embedded I/O bad transmission To continue, touch “OK”
Description:
The product experienced a temporary printing error. The connection between the product and the EIO card in the specified slot has been broken
Remedy:
Press the OK button to clear the error message and continue printing.
Code: 40.08.0X
Display:
40.08.0X USB storage accessory removed
Description:
X = 0 or 1; information code Secure file erase is enabled.
Remedy:
No action necessary.
Code: 40.0X.05
Display:
40.0X.05 USB storage accessory removed
Description:
X = 1, 2, 3, 5, or 6; information code The USB storage accessory was removed.
Remedy:
No action necessary.
Code: 41.03.YZ
Display:
41.03.YZ Unexpected size in Tray
Description:
The product detected a different paper size than expected. Y = Size mismatch, Z = Source: - Y = 0: Detected paper is longer or shorter than expected - Y = A: Detected paper too long - Y = B: Detected paper too short - Z = 1: Tray 1 - Z = 2: Tray 2 - Z = 3: Tray 3.
Remedy:
1. Make sure that the tray is loaded with the correct paper size and that the sliding paper guides are correctly adjusted. 2. Use the Tray/Bin manual sensor test to verify that the tray paper switch is correctly functioning. 3. If the error persists, replace the lifter assembly.

Code: 41.03.YZ
Display:
41.03.YZ Unexpected size in Tray To use another tray, touch "Options"
Description:
The product detected a different paper size than expected. Y = Size mismatch, Z = Source: - Y = 0: Detected paper is longer or shorter than expected - Y = A: Detected paper too long - Y = B: Detected paper too short - Z = 1: Tray 1 - Z = 2: Tray 2 - Z = 3: Tray 3
Remedy:
1. Make sure that the tray is loaded with the correct paper size and that the sliding paper guides are correctly adjusted. 2. Use the Tray/Bin manual sensor test to verify that the tray paper switch is correctly functioning. 3. If the error persists, replace the lifter assembly.
Code: 41.05.YZ
Display:
41.05.YZ Unexpected type in Tray
Description:
The product detected a different paper type than expected. Y = Expected type, Z = Detected type: - Y = 0: Unknown - Y = 1: Normal paper - Y = 3: LBP transparency - Y = 4 Glossy paper - Y = 5: Gloss film - Y = 6: Non-assured transparency - Y = 7: Heavy paper - Y = 8: Light paper - Y = 9: Rough paper - Y = A: Extra heavy glossy paper (glossy paper 3) - Y = B: Heavy glossy paper (glossy paper 2) - Y = C: Heavy paper 3 - Y = D: Heavy paper 2 - Z = 1: Normal paper - Z = 3: LBP transparency - Z = 4: Glossy paper - Z = 5: Gloss film - Z = 6: Non-assured transparency - Z = 7: Heavy paper - Z = 8: Light paper - Z = 9: Rough paper - Z = A: Extra heavy glossy paper (glossy paper 3) - Z = B: Heavy glossy paper (glossy paper 2) - Z = C: Heavy paper 3 - Z = D: Heavy paper 2
Remedy:
1. Load the tray with the size and type of paper indicated, or use another tray if available. 2. If this message appears and the tray is loaded with the correct paper type, check the print driver settings to make sure that they match the tray type settings. 3. Clean the paper sensor. 4. If the error persists, replace the paper pickup assembly.
Code: 41.05.YZ
Display:
41.05.YZ Unexpected type in Tray To use another tray, touch "Options"
Description:
The product detected a different paper type than expected and another tray is available for use. Y = Expected type, Z = Detected type: - Y = 0: Unknown - Y = 1: Normal paper - Y = 3: LBP transparency - Y = 4 Glossy paper - Y = 5: Gloss film - Y = 6: Non-assured transparency - Y = 7: Heavy paper - Y = 8: Light paper - Y = 9: Rough paper - Y = A: Extra heavy glossy paper (glossy paper 3) - Y = B: Heavy glossy paper (glossy paper 2) - Y = C: Heavy paper 3 - Y = D: Heavy paper 2 - Z = 1: Normal paper - Z = 3: LBP transparency - Z = 4: Glossy paper - Z = 5: Gloss film - Z = 6: Non-assured transparency - Z = 7: Heavy paper - Z = 8: Light paper - Z = 9: Rough paper - Z = A: Extra heavy glossy paper (glossy paper 3) - Z = B: Heavy glossy paper (glossy paper 2) - Z = C: Heavy paper 3 - Z = D: Heavy paper 2
Remedy:
1. Load the tray with the size and type of paper indicated, or use another tray if available. 2. If this message appears and the tray is loaded with the correct paper type, check the print driver settings to make sure that they match the tray type settings. 3. Clean the paper sensor. 4. If the error persists, replace the paper pickup assembly.
Code: 41.WX.YZ
Display:
41.WX.YZ Error To use another tray, touch "Options"
Description:
A printer error has occurred. WX = - 02: Beam detected misprint error - 06: ITB top detection error - 07: Paper transportation error - 08: Optional input source delay - 09: Sub-thermistor abnormally high temperature - 18: Scan line inclination adjustment request - 19: T2 roller HV - 20: Image drum HV Y = fuser mode - 0: Photo paper 1, Photo paper 2, Photo paper 3, Designated paper 2, Designated paper 3, or NA, typed or Auto sense - 1: Auto sense (normal): special case distinguished from typed Normal - 2: Normal, typed (not Auto sense) - 3: Light paper 1, 2, or 3, typed or Auto sense - 4: Heavy paper 1, typed or Auto sense - 5: Heavy paper 2, typed or Auto sense - 6: Heavy paper 3, typed or Auto sense - 7: Glossy paper 1, typed or Auto sense - 8: Glossy paper 2, typed or Auto sense - 9: Glossy paper 3, typed or Auto sense - A: Glossy film, typed or Auto sense - B: Transparency, typed or Auto sense - C: Label - D: Envelope 1, Envelope 2, Envelope 3 - E: Rough (designated paper 1), typed or Auto sense - F: reserved for future fuser mode Z = source tray - 1: Tray 1 - 2: Tray 2 - 3: Tray 3 - D: Duplexer
Remedy:
1. To clear message, press the OK button. 2. If the message reappears, turn the product off and then on. 3. If the error persists, replace the DC controller PCA.
Code: 47.00.00
Display:
47.00.00
Description:
Print Notification Provider internal error.
Remedy:
Turn the product off, and then on again. Re-send the print job.
Code: 47.00.XX
Display:
47.00.XX
Description:
Back channel internal error.
Remedy:
Turn the product off, and then on again. Re-send the print job. If the error persists, execute the Partial Clean item in the Preboot menu.
Code: 47.01.XX
Display:
47.01.XX
Description:
Image transformer internal error.
Remedy:
Turn the product off, and then on again. Re-send the print job. If the error persists, execute the Partial Clean item in the Preboot menu.
Code: 47.02.XX
Display:
47.02.XX
Description:
Job parser internal error.
Remedy:
Turn the product off, and then on again. Re-send the print job. If the error persists, execute the Partial Clean item in the Preboot menu.

Code: 47.03.XX
Display:
47.03.XX
Description:
Print job internal error.
Remedy:
Turn the product off, and then on again. Re-send the print job. If the error persists, execute the Partial Clean item in the Preboot menu.
Code: 47.04.XX
Display:
47.04.XX
Description:
Print spooler 9100 internal error.
Remedy:
Turn the product off, and then on again. Re-send the print job. If the error persists, execute the Partial Clean item in the Preboot menu.
Code: 47.05.00
Display:
47.05.00
Description:
Print spooler framework internal error.
Remedy:
Turn the product off, and then on again. Re-send the print job. If the error persists, execute the Partial Clean item in the Preboot menu.
Code: 47.06.XX
Display:
47.06.XX
Description:
Print app internal error.
Remedy:
Turn the product off, and then on again. Re-send the print job. If the error persists, execute the Partial Clean item in the Preboot menu.
Code: 49.XX.YY
Display:
49.XX.YY Error To continue turn off then on
Description:
A firmware error has occurred. This error can be caused by corrupted print jobs, software applications issues, non-product specific print drivers, poor-quality USB or network cables, bad network connections or incorrect configurations, invalid firmware operations, or unsupported accessories.
Remedy:
1. Turn the product off and then on. 2. If the error persists, check the following: - The error might be caused by a network connectivity problem, such as a bad interface cable, a bad USB port, or an invalid network configuration setting. - The error might be caused by the print job, such as an invalid print driver, a problem with the software application, or a problem with the file you are printing. - Upgrading the product firmware might help resolve the error. See the product user guide for more information.
Code: 50.1X.YZ
Display:
50.WX.YZ Fuser error To continue turn off then on
Description:
W = 1, Low fuser error temperature error
The product experienced a fuser error.
• W = fuser error code
• X = fuser mode
- 0: Photo paper 1, 2, 3, Designated paper 2, 3, or NA, typed or Auto-sense - 1: Auto sense (Normal special case distinguished from typed Normal) - 2: Normal, typed (not Auto sense) - 3: Light paper 1, 2, or 3, typed or Auto sense - 4: Heavy paper 1, typed or Auto sense - 5: Heavy paper 2, typed or Auto sense - 6: Heavy paper 3, typed or Auto sense - 7: Glossy paper 1, typed or Auto sense - 8: Glossy paper 2, typed or Auto sense - 9: Glossy paper 3, typed or Auto sense - A: Glossy film, typed or Auto sense - B: Transparency, typed or Auto sense - C: Label - D: Envelope1, Envelope2, or Envelope3 - E: Rough (designated paper 1), typed or Auto sense - F: Reserved for future fuser mode
• Y = previous product sleep state
• Z = next product sleep state
- 0: Printing - 1: Standby level 1 (no temperature control) - 2: Standby level 2 (high temperature control) - 3: Standby level 3 (middle temperature control) - 4: Standby level 4 (low temperature control) - 5: Middle sleep - 6: Deep sleep - F: Off
Remedy:
1. Remove and then reseat the fuser. 2. Check the paper type setting using the product menus and in the product driver. Make sure that they match and are correct for the type of paper being used. 3. If this product was previously serviced, check the connector (J61) on the DC controller PCA. 4. If the error persists, replace the fuser.
Code: 50.2X.YZ
Display:
50.WX.YZ Fuser error To continue turn off then on
Description:
W = 2, Fuser warm-up failure
The product experienced a fuser error.
• W = fuser error code
• X = fuser mode
- 0: Photo paper 1, 2, 3, Designated paper 2, 3, or NA, typed or Auto-sense - 1: Auto sense (Normal special case distinguished from typed Normal) - 2: Normal, typed (not Auto sense) - 3: Light paper 1, 2, or 3, typed or Auto sense - 4: Heavy paper 1, typed or Auto sense - 5: Heavy paper 2, typed or Auto sense - 6: Heavy paper 3, typed or Auto sense - 7: Glossy paper 1, typed or Auto sense - 8: Glossy paper 2, typed or Auto sense - 9: Glossy paper 3, typed or Auto sense - A: Glossy film, typed or Auto sense - B: Transparency, typed or Auto sense - C: Label - D: Envelope1, Envelope2, or Envelope3 - E: Rough (designated paper 1), typed or Auto sense - F: Reserved for future fuser mode
• Y = previous product sleep state
• Z = next product sleep state
- 0: Printing - 1: Standby level 1 (no temperature control) - 2: Standby level 2 (high temperature control) - 3: Standby level 3 (middle temperature control) - 4: Standby level 4 (low temperature control) - 5: Middle sleep - 6: Deep sleep - F: Off
Remedy:
1. Reconnect the connector (J61) between the fuser and the DC controller PCA. 2. Turn the product off. Remove the fuser, and then reinstall it. 3. Replace the fuser wire harness. 4. If the error persists, replace the fuser.
Code: 50.3X.YZ
Display:
50.WX.YZ Fuser error To continue turn off then on
Description:
W = 3, High fuser temperature 1
The product experienced a fuser error.
• W = fuser error code
• X = fuser mode
- 0: Photo paper 1, 2, 3, Designated paper 2, 3, or NA, typed or Auto-sense - 1: Auto sense (Normal special case distinguished from typed Normal) - 2: Normal, typed (not Auto sense) - 3: Light paper 1, 2, or 3, typed or Auto sense - 4: Heavy paper 1, typed or Auto sense - 5: Heavy paper 2, typed or Auto sense - 6: Heavy paper 3, typed or Auto sense - 7: Glossy paper 1, typed or Auto sense - 8: Glossy paper 2, typed or Auto sense - 9: Glossy paper 3, typed or Auto sense - A: Glossy film, typed or Auto sense - B: Transparency, typed or Auto sense - C: Label - D: Envelope1, Envelope2, or Envelope3 - E: Rough (designated paper 1), typed or Auto sense - F: Reserved for future fuser mode
• Y = previous product sleep state
• Z = next product sleep state
- 0: Printing - 1: Standby level 1 (no temperature control) - 2: Standby level 2 (high temperature control) - 3: Standby level 3 (middle temperature control) - 4: Standby level 4 (low temperature control) - 5: Middle sleep - 6: Deep sleep - F: Off
Remedy:
1. Remove and then reseat the fuser. 2. Check the paper type setting using the product menus and in the product driver. Make sure that they match and are correct for the type of paper being used. 3. If this product was previously serviced, check the connector (J61) on the DC controller PCA. 4. If the error persists, replace the fuser.

Code: 50.4X.YZ
Display:
50.WX.YZ Fuser error To continue turn off then on
Description:
W = 4, Fuser power supply driving circuit error
The product experienced a fuser error.
• W = fuser error code
• X = fuser mode
- 0: Photo paper 1, 2, 3, Designated paper 2, 3, or NA, typed or Auto-sense - 1: Auto sense (Normal special case distinguished from typed Normal) - 2: Normal, typed (not Auto sense) - 3: Light paper 1, 2, or 3, typed or Auto sense - 4: Heavy paper 1, typed or Auto sense - 5: Heavy paper 2, typed or Auto sense - 6: Heavy paper 3, typed or Auto sense - 7: Glossy paper 1, typed or Auto sense - 8: Glossy paper 2, typed or Auto sense - 9: Glossy paper 3, typed or Auto sense - A: Glossy film, typed or Auto sense - B: Transparency, typed or Auto sense - C: Label - D: Envelope1, Envelope2, or Envelope3 - E: Rough (designated paper 1), typed or Auto sense - F: Reserved for future fuser mode
• Y = previous product sleep state
• Z = next product sleep state
- 0: Printing - 1: Standby level 1 (no temperature control) - 2: Standby level 2 (high temperature control) - 3: Standby level 3 (middle temperature control) - 4: Standby level 4 (low temperature control) - 5: Middle sleep - 6: Deep sleep - F: Off
Remedy:
1. Remove and then reseat the fuser. 2. If this product was previously serviced, check the connector (J61) on the DC controller PCA. 3. If the error persists, replace the fuser.
Code: 50.6X.YZ
Display:
50.WX.YZ Fuser error To continue turn off then on
Description:
W = 6, Open fuser, breaking of a heater wire
The product experienced a fuser error.
• W = fuser error code
• X = fuser mode
- 0: Photo paper 1, 2, 3, Designated paper 2, 3, or NA, typed or Auto-sense - 1: Auto sense (Normal special case distinguished from typed Normal) - 2: Normal, typed (not Auto sense) - 3: Light paper 1, 2, or 3, typed or Auto sense - 4: Heavy paper 1, typed or Auto sense - 5: Heavy paper 2, typed or Auto sense - 6: Heavy paper 3, typed or Auto sense - 7: Glossy paper 1, typed or Auto sense - 8: Glossy paper 2, typed or Auto sense - 9: Glossy paper 3, typed or Auto sense - A: Glossy film, typed or Auto sense - B: Transparency, typed or Auto sense - C: Label - D: Envelope1, Envelope2, or Envelope3 - E: Rough (designated paper 1), typed or Auto sense - F: Reserved for future fuser mode
• Y = previous product sleep state
• Z = next product sleep state
- 0: Printing - 1: Standby level 1 (no temperature control) - 2: Standby level 2 (high temperature control) - 3: Standby level 3 (middle temperature control) - 4: Standby level 4 (low temperature control) - 5: Middle sleep - 6: Deep sleep - F: Off
Remedy:
1.Check the power source. Make sure the power source meets product requirements. NOTE: If the power source does not meet the power frequency requirement of 43 to 67Hz, the fuser temperature control does not work properly and causes this error. 2. If this product was previously serviced, check the connector (J61) on the DC controller PCA. 3. If the error persists, replace the low-voltage power supply..

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