HP LASERJET RESOURCES

Image Displacement

A trouble-shooting scheme for image shifting and skewing in HP LaserJet printers

  1. Print an engine test
    1. If the problem remains, it is a print engine problem. Go to 3.
    2. If the problem disappears, the problem is with the printer formatter or with the computer. Go to 2.
  2. Print a configuration page.
    1. If the problem disappears, it is a computer problem.
    2. If the image displacement continues, it is the formatter.
  3. Is the image shifted (but not skewed or stretched) in the direction of paper movement ? If not, go to 4. If yes, print from all input trays using paper path tests.
    1. If the problem occurs in all trays, replace the registration assembly (either the registration clutch let the paper go too far, or the registration rollers didn’t move it far enough).
    2. If it only occurs in certain trays, the printer is formatting the image for a different size than the paper’s actual size due to faulty paper-size detection. Check paper-size detection by printing a Configuration Page. On this page is an information block titled “Paper Trays and Options”. It will list all cassettes, and in parentheses after each one, what paper size the printer is detecting for that cassette. If this doesn’t match what’s actually in the cassette, you know you have a size detection problem.
      1. Check the cassette for breakage or irregularity that would lead to faulty size detection.
      2. Check the printer menu to see if a wrong paper size has been assigned.
      3. Replace the size sensing board.
  4. Is the image shifted perpendicular to the direction of paper movement?
    1. Small shift: adjust the cassette.
    2. Large shift: if you haven't run the engine test described in step 1, do so now. If the engine test shows the same problem, it is a paper size detection problem. If it is ok, it is a formatting problem (step 2).

A note on WX-Engine Printers.
WX-engine laser printers (HP LaserJet 5Si, 8000, 8100 and 8150) are especially prone to image displacement issues due to the design of the transfer assembly, which has a cover that must be snapped into place. If left undone, the image will be skewed (rotated) along one edge of the paper. Check the transfer assembly carefully any time you have an image displacement problem that seems to originate in the toner/transfer area, especially if the problem begins after installing the transfer roller or maintenance kit.

directions

Image Displacement

A trouble-shooting scheme for image shifting and skewing in HP LaserJet printers

  1. Print an engine test
    1. If the problem remains, it is a print engine problem. Go to 3.
    2. If the problem disappears, the problem is with the printer formatter or with the computer. Go to 2.
  2. Print a configuration page.
    1. If the problem disappears, it is a computer problem.
    2. If the image displacement continues, it is the formatter.
  3. Is the image shifted (but not skewed or stretched) in the direction of paper movement ? If not, go to 4. If yes, print from all input trays using paper path tests.
    1. If the problem occurs in all trays, replace the registration assembly (either the registration clutch let the paper go too far, or the registration rollers didn’t move it far enough).
    2. If it only occurs in certain trays, the printer is formatting the image for a different size than the paper’s actual size due to faulty paper-size detection. Check paper-size detection by printing a Configuration Page. On this page is an information block titled “Paper Trays and Options”. It will list all cassettes, and in parentheses after each one, what paper size the printer is detecting for that cassette. If this doesn’t match what’s actually in the cassette, you know you have a size detection problem.
      1. Check the cassette for breakage or irregularity that would lead to faulty size detection.
      2. Check the printer menu to see if a wrong paper size has been assigned.
      3. Replace the size sensing board.
  4. Is the image shifted perpendicular to the direction of paper movement?
    1. Small shift: adjust the cassette.
    2. Large shift: if you haven't run the engine test described in step 1, do so now. If the engine test shows the same problem, it is a paper size detection problem. If it is ok, it is a formatting problem (step 2).

A note on WX-Engine Printers

WX-engine laser printers (HP LaserJet 5Si, 8000, 8100 and 8150) are especially prone to image displacement issues due to the design of the transfer assembly, which has a cover that must be snapped into place. If left undone, the image will be skewed (rotated) along one edge of the paper. Check the transfer assembly carefully any time you have an image displacement problem that seems to originate in the toner/transfer area, especially if the problem begins after installing the transfer roller or maintenance kit.

directions

Image Displacement

A trouble-shooting scheme for image shifting and skewing in HP LaserJet printers

  1. Print an engine test
    1. If the problem remains, it is a print engine problem. Go to 3.
    2. If the problem disappears, the problem is with the printer formatter or with the computer. Go to 2.
  2. Print a configuration page.
    1. If the problem disappears, it is a computer problem.
    2. If the image displacement continues, it is the formatter.
  3. Is the image shifted (but not skewed or stretched) in the direction of paper movement ? If not, go to 4. If yes, print from all input trays using paper path tests.
    1. If the problem occurs in all trays, replace the registration assembly (either the registration clutch let the paper go too far, or the registration rollers didn’t move it far enough).
    2. If it only occurs in certain trays, the printer is formatting the image for a different size than the paper’s actual size due to faulty paper-size detection. Check paper-size detection by printing a Configuration Page. On this page is an information block titled “Paper Trays and Options”. It will list all cassettes, and in parentheses after each one, what paper size the printer is detecting for that cassette. If this doesn’t match what’s actually in the cassette, you know you have a size detection problem.
      1. Check the cassette for breakage or irregularity that would lead to faulty size detection.
      2. Check the printer menu to see if a wrong paper size has been assigned.
      3. Replace the size sensing board.
  4. Is the image shifted perpendicular to the direction of paper movement?
    1. Small shift: adjust the cassette.
    2. Large shift: if you haven't run the engine test described in step 1, do so now. If the engine test shows the same problem, it is a paper size detection problem. If it is ok, it is a formatting problem (step 2).

A note on WX-Engine Printers

WX-engine laser printers (HP LaserJet 5Si, 8000, 8100 and 8150) are especially prone to image displacement issues due to the design of the transfer assembly, which has a cover that must be snapped into place. If left undone, the image will be skewed (rotated) along one edge of the paper. Check the transfer assembly carefully any time you have an image displacement problem that seems to originate in the toner/transfer area, especially if the problem begins after installing the transfer roller or maintenance kit.

directions

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