DEC DEClaser 5100, Service Manual

Page: 118 / 274

7.1 Types of Jams
7.1 Types of Jams
The next table describes the various types of paper path jams that can occur in
the DEClaser 5100 printer:
Table 7–1 Types of jams
Terms Definition
Feed Failure Paper never left the input device or never fed into the paper path.
Shingle jams Leading edge of the bottom sheet slides under the tailing edge of the
front sheet. The pattern resembles roofing shingles.
Stalled paper Paper stops in the paper path. The removed sheet is undamaged.
Phantom jams A "Paper Jam" message that occurs for no foreseeable reason. The
message can occur spontaneously, intermittently, or continuously.
Phantom jams might occur without any paper feeds. These jams are
commonly caused by a bad sensor, cabling, or control board.
Wrinkled,
Skewed,
Notched,
Dog-eared,
or Shredded Paper damage caused by a serious paper path malfunction. A
common cause might be obstructions, broken paper path guides,
rollers, or roller pressure springs.
7.2 Identifying the Location of the Jam
This section describes how to indentify where the the jam has occured.
Before you fix a jam, Before you try to fix a paper jam, you must:
1. Print enough copies of the test page to determine the location, frequency,
repeatability, and the type of jam.
2. Using this information, along with Figure 7–1, determine the type and
location of the jam.
3. See Table 7–2 to determine which jam FIP to turn to.
7–2 FIPs for Fixing Paper Jams