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HP Color LaserJet MFP E77825

Adjusting. Laser scanner assembly skew error

1. Check the skew error.

  1. Execute the CPR.
    Machine Setup►General Settings►Image Management►Auto Color Registration
  2. Print the CPR report.
    SVC (Tech) Mode►Information►Print Reports►Auto Color Registration
  3. Check [Y] [M] [C] Skew Data in CPR report.

2. Adjust the skew error.

  1. Open the front cover. Remove the toner collection unit.
  2. There are three skew holes for YMC color. Insert the Phillips screw driver and adjust CW, CCW referred to adjustment amount.
  3. The standard skew value is 200. If the skew data in the CPR report is 200, skew adjustment is unnecessary.
  4. Adjustment method:
    NOTE: One click is equal to 1/7 dot.
    - Skew Data < 200: Rotate the driver in a counterclockwise direction. Example: Skew Data is 192:200 - 192 = 8. Click CCW rotation.
    - Skew Data = 200: No adjustment needed.
    - Skew Data > 200: Rotate the driver in a clockwise direction. Example: Skew Data is 213: 213 - 200 = 13. Click CW rotation.

3. Check the skew error again.

  1. Execute the CPR after the skew adjustment.
  2. Print the CPR report.
  3. Check the [Y] [M] [C] skew error.
  4. If the value for YMC is 200±7, complete the skew adjustment
    NOTE: If the value does not meet the target, repeat steps 1–3.
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