HP LaserJet Pro 400 Service Manual - Page 36
Pickup roller (Tray 2 and Tray 3), Simultaneously press the Left Arrow
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Pickup roller (Tray 2 and Tray 3) The roller must be rotated into the service position to remove it. CAUTION: Avoid touching the spongy roller surface unless you are going to replace the roller. Skin oils on the roller can cause paper pickup problems. 1. Turn the product on, and wait for it to reach the Ready state. Perform the following steps to rotate the roller to the service position. NOTE: If you have removed Tray 2 to service the product, reinstall the tray before turning the power on. TIP: The following steps rotate the engine pickup roller and the Tray 1 pickup roller into the service position. a. Simultaneously press the Left Arrow button and the Cancel button to open the 2ndry Service menu. b. Touch the Pick Roller item. Touch the OK button to confirm that you want the roller to rotate. c. Listen for the roller to rotate. When the roller is done rotating, unplug the power cable and then place the power button in the off position. CAUTION: It is important to place the power button in the off position after unplugging the power cable so that the product power does not come on immediately when the power cable is plugged in again. d. Remove Tray 2. e. Perform the remaining steps in this procedure to remove the roller. After replacing the roller, plug the power cable into the product, and then use the power button to turn the power on. 10 Chapter 1 Removal and replacement ENWW