HP LaserJet Enterprise M552 - 59.05.50 or 59.05.60; 59.06.50 or 59.06.60 - 59.07.50 or 59.07.60

3. Use the manual sensor test to verify that the T1 roller alienation sensor (SR5) is properly functioning. If
it is not, replace the T1 roller estrangement detect PCB assembly. PN: RM2-7157-000CN
4. Use the component tests T1 roller engagement and disengagement drive test to verify that the T1 roller
disengagement mechanism is properly functioning. If it is not, remove the ITB and manually actuate the
alienation mechanism. If it fails, replace the ITB. If the ITB is working correctly, replace the fuser drive
assembly.
5. Reconnect the connector (J15) of the T1 roller alienation sensor, connectors (J2504 and J2502) on the
high-voltage power supply T PCA and connector (J131) on the DC controller PCA.
59.05.50 or 59.05.60
Description
The printer experienced a Black Drum Motor (M3) error
●
59.05.50 — Black drum motor startup abnormality
●
59.05.60 — Black drum motor rotation abnormality
Recommended action
1. Turn the printer o.
2. Remove the Black Cartridge and turn the printer back on.
3. Use the disable cartridge check and run the drum motor component test with the print cartridge
removed.
If the test passes, replace the print cartridge. If the printer has been serviced, check the connector at the
drum motor assembly and the DC controller.
If the test fails, replace the drum motor. PN: RM2-0078-000CN
4. Reconnect the connector (J43) of the drum motor 3 and connector (J130) on the DC controller PCA.
59.06.50 or 59.06.60 — 59.07.50 or 59.07.60
Description
The printer experienced a Cyan/Magenta Drum Motor (M2) error
●
59.05.50 — Cyan / Magenta drum motor startup abnormality
●
59.05.60 — Cyan / Magenta drum motor rotation abnormality
Recommended action
1. Turn the printer o.
2. Remove the Cyan/Magenta Cartridge and turn the printer back on.
3. Use the disable cartridge check and run the drum motor component test with the print cartridge
removed.
If the test passes, replace the print cartridge. If the printer has been serviced, check the connector at the
drum motor assembly and the DC controller.
NOTE: Run the test separately for each Cartridge removed one at a time.
ENWW Tools for troubleshooting 347