EN Chapter 7 Troubleshooting 221
There are five photosensors (PS102, PS103, PS106, PS107, and PS108) in the paper path for
detecting arrival or passing of the paper. Additional sensors are located in the optional duplexer.
If the sheet does not reach or pass these sensors within the prescribed time, the microprocessor on
the engine controller board assesses a jam. See page 263 for the location and function of sensors.
Are the paper tray guides set correctly? For tray 1, ensure the guides are adjusted
correctly with the sides of the media. Make
sure the media fits under the tabs on the
guides and not above the load-level
indicators.
For trays 2, 3, and 4:
1. Squeeze the lever on the left guide and
slide the guides into place to match the
width of the paper.
2. Squeeze the lever on the rear paper
guide and slide it to the desired size until it
clicks into place.
3. To make the third adjustment, squeeze
the blue tab located on the right side of the
tray and move it to the correct position
based on the media size required.
4. Make sure the print media is flat in the
tray at all four corners and below the front
and back tabs.
Does the printer need to be cleaned? Inspect the paper path and paper path
rollers. See the cleaning procedures in
chapter 4.
When was maintenance last performed on
the printer?
Determine from the configuration page the
number of pages since the last
maintenance. (See “Maintenance interval”
on page 77.) The printer maintenance kit
should be installed every 200,000 images.
Table 39. General paper-path troubleshooting questions (continued)
Troubleshooting check Action
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