HP 4300 Service Manual - Page 290

Table 41. Alphabetical printer messages (continued) Message Description Action TRAY XX CONTAINS UNKNOWN MEDIA The media type or size in the specified tray cannot be determined. 1. To change the media type, press the SELECT ( ) button. Use the UP ARROW ( ) button and the DOWN ARROW ( ) button to scroll to the type, and then press the SELECT ( ) button to select it. 2. To change the media size to Letter, A4, Executive, B5 JIS, A5, or Legal, leave the tray switch in the "standard" position. 3. To change the media size to other sizes, move the tray switch to "custom", adjust the paper guides against the paper, and close the tray. Use the UP ARROW ( ) button and the DOWN ARROW ( ) button to scroll to the media size, and then press the SELECT ( ) button to select it. TRAY XX EMPTY alternates with READY For help press The specified tray is empty, but 1. Refill the indicated tray. the current job does not require 2. If the error persists, verify that this tray in order to print correctly. the indicated tray's paper-out sensor (PS105,PS101, PS801, or SR3) is properly functioning correctly. See figure 213 on page 336, figure 217 on page 340, or figure 220 on page 343. TRAY XX OPEN For help press alternates with READY For menus press The specified tray is open or not closed completely. 1. Close the tray. 2. If this error persists, verify that the indicated tray's media-size sensors (SW102, SW801, or SW1) is properly functioning correctly. See figure 213 on page 336, figure 217 on page 340, or figure 220 on page 343. Verify that the sensor "fingers" inside the tray are engaging the tray sensor correctly. See "Tray 2, 500-, 1,500-sheet feeder media size detection" on page 83. 270 Troubleshooting Q2431-90912