EXP Computer C4077-90960 - Manual (Page 248)

Device Action if installed and not detected
Duplex Unit Power-off, reseat, verify connector is not broken, then replace
duplex cable and/or duplex unit and power-on.
Envelope Feeder Power-off, reseat or replace envelope feeder and power-on.
Device 1
2000 Sheet Input Unit
Device 2
Multi-Bin Mailbox
Device 3
Stapler Module
Verify C-Link cables are installed correctly, see Figure 7-7.
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 External Paper Handling Controller. All C-Link cables are wired
the same, but are different lengths.
If a device is not recognized, replace device controller or defective
C-link cable.
Device 1
2000 Sheet Input Unit Verify AC power is present in the 2000 Sheet Input Unit.
Note: The tray will not lift if C-link cable is not connected properly to
External Paper Handling Controller.
Device 2
Multi-Bin Mailbox Verify that the external DC power supply is receiving power.
Verify that the external DC power supply output is connected to the
Multi-Bin Mailbox controller.
Note: The Multi-Bin Mailbox will not appear on the PCL
configuration page without the C-Link cables properly installed,
external power applied, or if Fuse F202 in 2000 Sheet Input Unit’s
Controller PCA is blown.
Replace external DC power supply.
Replace Multi-Bin Mailbox controller.
After verifying that the PCL configuration pages accurately reflect the
installed devices, proceed to the section titled “Image Quality.”
N o t e Multi-Bin Mailbox and Stapler are not supported with the LaserJet 5Si HM
(C3124A).
Table 7-3 Devices
7
Troubleshooting
Troubleshooting 7-11