HP 8000dn Service Manual - Page 369

Table 7-4. Printer Devices Troubleshooting Device Action if installed and not detected Duplexer Turn the power off, reseat the Duplexer, verify that the connector is not broken, and turn the printer on. If the connector is broken or turning the printer on and off does not work, then replace the duplex cable and/or duplexer. Envelope Feeder Turn the power off, reseat the envelope feeder, and turn the printer on. If this does not work, replace the envelope feeder. Device 1 2000-sheet Input Tray Device 2 Multibin Mailbox Device 3 Stapler Verify that the C-link cables are installed correctly (see figure 7-8 on page 346). Remove all C-link connections and visually inspect for connector damage on the cable pins and connector ends. Try using a different cable to connect the problem device directly to the Paper Handling Controller. All C-link cables are wired the same, but are different lengths. If a device is not recognized, replace the device controller or defective C-link cable. Device 1 2 x 500-sheet and 2000-sheet Input Tray Verify that AC power is present in the 2000-sheet or 2 x 500-sheet Input Tray. Verify that the C-link cable is connected properly to the Paper Handling Controller or the tray will not lift. Device 2 7-bin Multibin Mailbox Verify that the DC power supply is receiving power. Verify that the DC power supply output is connected to the Multibin Mailbox controller. Verify that the C-link cables are properly installed and external power applied. Check if Fuse F202 in the 2 x 500-sheet or 2000-sheet Input Tray's Controller PCA is blown. Replace the DC power supply. Replace the Multibin Mailbox controller. After verifying that the configuration page accurately reflects the installed devices, proceed to "Image Quality" on page 394. EN Information Pages 345