Service Manual
6-23
Troubleshooting
6
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Hex Code 28 Paper
eject sensor failed to
turn off.
Check the paper-exit rollers for proper smooth operation.
Check for blockage at the paper-exit sensor or paper tray.
Ensure that the paper-exit sensor operates correctly and is
properly adjusted. Refer to the topic “Switch and interrupt
sensor checks” on page 9-12.
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Hex Code 29
Paper-pass sensor 1
failed to turn off after
paper eject.
Check for a media jam after media eject.
Check to see if two sheets of media were picked up during the
print process. Also look for an entangled transfer roll or torn
media.
Check that the paper-feed motor rotates forward for proper
operation.
Ensure that the paper-exit sensor operates correctly and is
properly adjusted. Refer to the topic “Switch and interrupt
sensor checks” on page 9-12.
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Hex Code 2A
Paper-pass sensor 2
failed to turn off after
paper eject.
Check for a media jam after media eject.
Check to see if two sheets of media were picked up during the
print process. Also look for an entangled transfer roll or torn
media.
Check that the paper-feed motor rotates forward for proper
operation.
Ensure that the paper-exit sensor operates correctly and is
properly adjusted. Refer to the topic “Switch and interrupt
sensor checks” on page 9-12.
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Hex Code 2B Clamp
error.
Check the platen for a media jam.
Clean the paper clamp. See Chapter 7 topic “Cleaning.”
Check to see if media is being clamped firmly by the paper
clamp. Ensure that the paper clamp operates smoothly.
Ensure that the drum drive operates correctly.
Check the paper clamp sensor for proper operation. Refer to
the Section 9 adjustment procedures “Printer self-checks” on
page 9-4.
Table 6-3 Print engine error codes and their meanings (cont'd.)
Code
Meaning