HP LaserJet 3052 Service Manual - Page 231
Jams, Causes of jams, Tips to avoid jams
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Jams This section contains instructions for clearing jams from the all-in-one. CAUTION Always try to remove a jam in the direction that the media feeds through the printer. Causes of jams Occasionally, paper or other print media can become jammed during a print job. Some causes include the following events: ● The input trays are loaded incorrectly or overfilled, or the input-tray guides are not set correctly. ● Media is added to or removed from an input tray during a print job or an input tray is removed from the all-in-one during a print job. ● The cartridge door is opened during a print job. ● Too many sheets have accumulated in an output area, or sheets are blocking an output area. ● The print media that is being used does not meet HP specifications. See Choosing paper and other print media on page 21. ● The media is damaged or has objects attached to it, such as staples or paper clips. ● The environment in which the print media was stored is too humid or too dry. See Operating environment on page 26. Tips to avoid jams ● Verify that the input tray is not overfilled. The input tray capacity varies depending on the type of print media that you are using. ● Verify that the media guides are adjusted correctly. ● Check that the input tray is securely in place. ● Do not add print media into the input tray while the all-in-one is printing. ● Use only HP-recommended media types and sizes. See Supported media weights and sizes on page 21 for more information about print media types. ● Do not let print media stack up in the output bin. The print media type and the amount of toner used affect the output-bin capacity. ● Check the power connection. Make sure that the power cord is firmly connected to both the all-in- one and the power supply box. Plug the power cord into a grounded power outlet. ENWW Jams 211