HP 4300 Service Manual - Page 350
Paper transport errors, Malfunction errors, Table 78. Paper transport error troubleshooting
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Paper transport errors Table 78. Paper transport error troubleshooting Possible cause Recommended action(s) Worn, dirty, or defective rollers. q Inspect all of the stacker or stapler/stacker rollers. Clean any dirty rollers. If necessary, replace the stacker or stapler/stacker. The feed guide is damaged, q Inspect the feed guide. If, necessary, replace the stacker or stapler/ causing the leading edge of stacker. the media to be bent. Obstruction in the paper path q The paper path is contaminated. Clean the paper path. See "Stacker and causes skewed print. stapler/stacker paper path" on page 327. q Worn, dirty or defective rollers.Inspect all of the stacker or stapler/ stacker rollers. Clean any dirty rollers. If necessary, replace the stacker or stapler/stacker. Malfunction errors Table 79. Malfunction error troubleshooting Possible cause Recommended action(s) No power The stacker or stapler/stacker q Inspect the stacker or stapler/stacker connector on the unit and on the connector is not fully seated printer. Verify that these connectors are not damaged, and that the or is damaged. stacker or stapler/stacker is installed correctly and fully seated. If the stacker or stapler/stacker is installed with the printer power on, you must turn the power off and then back on again for the stacker or stapler/ stacker to operate. q Turn the printer power off. Remove and reinstall the stacker or stapler/ stacker. Turn the printer power on again. The stacker or stapler/stacker q Replace the stacker or stapler/stacker. PCA is defective. No stapling (stapler/stacker only) There are no staples in the q Replace the stapler unit staple cartridge. See "Location of the stapler/ staple cartridge. stacker stapler unit" on page 344. The stapler unit is defective. q Replace the stapler unit. See "Location of the stapler/stacker stapler unit" on page 344. The print job contains more q When using the stapler/stacker, limit the print job to a single page size. than one paper size. The stapler/stacker PCA is q Replace the stapler/stacker. defective. 330 Troubleshooting Q2431-90912