HP 4300 Service Manual - Page 137
Stapler/stacker jam detection, Stapler/stacker feed jam, Stapler/stacker feed stationary jam
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Note Stapler/stacker jam detection The following sensors detect the presence of media in the stapler/stacker and determine whether the media is feeding properly or jamming. For information about the location of these sensors, see "Stacker and stapler/stacker switches and sensors" on page 345. q Paper inlet sensor (PS1101) q Paper delivery sensor (PS102) Stapler/stacker feed jam If the paper inlet sensor (PS1101) does not detect the leading edge of the media within a specific time after the stacker driver has received the paper delivery signal, the DC controller PCA determines that a stapler/stacker feed delay jam has occurred. The transport process is stops and a 13.XX.YY JAM message appears on the control-panel display. For more information about jam messages, see "Alphabetical printer messages" on page 258 and "Numerical printer messages" on page 274. Stapler/stacker feed stationary jam If the paper inlet sensor (PS1101) does not detect the trailing edge of the media within a specific time after the paper inlet sensor (PS1101) detected the leading edge of the media, the DC controller PCA determines that a stapler/stacker feed delay jam has occurred. The transport process is stops and a 13.XX.YY JAM message appears on the control-panel display. For more information about jam messages, see "Alphabetical printer messages" on page 258 and "Numerical printer messages" on page 274. Stapler/stacker delivery jam If the paper delivery sensor (PS1102) does not detect the trailing edge of the media within a specific time after the feed motor has been activated following the completion of the stapling operation, the DC controller PCA determines that a stapler/stacker feed delay jam has occurred. The transport process is stops and a 13.XX.YY JAM message appears on the control-panel display. For more information about jam messages, see "Alphabetical printer messages" on page 258 and "Numerical printer messages" on page 274. Stapler/stacker residual media jam If the paper inlet sensor (PS1101) or the paper delivery sensor (PS1102) detect media during the initial drive period, the DC controller PCA determines that a stapler/stacker feed delay jam has occurred. The transport process is stops and a 13.XX.YY JAM message appears on the control-panel display. For more information about jam messages, see "Alphabetical printer messages" on page 258 and "Numerical printer messages" on page 274. This jam only occurs if the paper delivery senor (PS1102) detects media at the start of the initial drive. Q2431-90912 Chapter 5 Theory of operation 117