HP 4600 Service Manual - Page 351
Persistent jams, Basic troubleshooting for jams, Data collection - color laserjet error codes
UPC - 808736060875
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Table 7-7 Common causes of jams (continued) Cause The internal rollers do not pick up print media from tray 2, tray 3, or tray 3/tray 4 (2 x 500-sheet feeder, HP CLJ 4650 only). Solution Remove the top sheet of media. If the media is heavier than 105 g/m2 (28 lb), it might not be picked from the tray. NOTE The HP Color LaserJet 4610n printer does not support tray 3 or tray 3/tray 4. The print media has rough or jagged edges. The print media is perforated or embossed. One or more printer supply items have reached the end of their useful life. The print media was not stored correctly. Replace the media. This media does not separate easily. You might need to feed single sheets from tray 1. Check the printer control panel for messages prompting you to replace supplies, or print a supplies status page to verify the remaining life of the supplies. Replace the print media. Media should be stored in its original packaging in a controlled environment. Persistent jams If jams occur repeatedly, use the information in this section to diagnose the root cause of the problem. The tables in this section list possible causes and recommended solutions for jams in each area of the paper path. Items are listed in the order that you should use to investigate. In general, items at the beginning of the list are relatively minor repairs. Items at the end of the list are more complex repairs. Basic troubleshooting for jams Use the following basic troubleshooting process for jams: 1 Gather data. 2 Identify the cause of the problem. 3 Fix the problem. Data collection To troubleshoot jams, gather the following information: ■ The exact jam error code tat appears on the control-panel display ■ The location of the leading edge of the media that is in the paper path ■ Whether media is in the paper path when the jam occurs or in the input tray ■ Whether the jam occurs at power-up or while media is moving ■ Whether the media is damaged and, if it is, where the damage occurs on the paper and where in the paper path the sheet stops ■ Whether the jam occurs when feeding from one particular tray ■ Whether the jam occurs only when using duplex printing (HP CLJ 4600 and 4650 models only) ENWW Paper-path troubleshooting 335