110 Chapter 6 Troubleshooting C4170-90959
Frequency of Jams
Figure 6-2 Paper Jams
Use figure 6-2 to help determine the cause of paper jams. Jams in the paper path that occur
intermittently are most often related to a deficiency in the media or environment. See “Media
Troubleshooting” (page 134) for information about these defects.
Paper path jams that occur frequently, and in the same location of the printer, are most likely
to be the result of a hardware problem.
Location of Jams
Frequently occurring jams may be further categorized by the location in the printer in which
they occur. The three major areas of the printer are the input area, the internal area, and the
output area. Because the pick-and-feed operation is almost identical for Trays 1,2, and 3,
jams in the input area follow the same pattern, and may be broken into 2 additional
categories.
Type of Jam
Input jams may occur as the result of either a failure of the printer to pick the paper from a
tray or a failure to move the paper through the input area of the printer. Failure to pick the
paper may result from either a defect in the pick-up roller or the separation pad; these items
are indicated with asterisks (*) in Table 6-6.
The following tables summarize the recommended actions for input, internal, and output
jams.
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