HP Color LaserJet CM4730 Service Manual - Page 559
Corrupt Firmware In External Device, Digital Send Communication Error - mfp review
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Table 6-2 Control-panel messages (continued) Control panel message Description Recommended action Corrupt Firmware In External Device (stapler/stacker only) The stapler/stacker needs a firmware upgrade. 1. Go to http://www.hp.com/support to download the latest firmware and review the upgrade procedure. 2. Install the latest firmware on the device. 3. If the new firmware does not correct the problem, replace the stapler/ stacker unit. Digital Send Communication Error An error has occurred during a digital send Contact the network administrator. task. Digital Send server is not responding Contact administrator The MFP cannot communicate with the server. Verify the network connection. Contact the network administrator. Document feeder bin full The ADF output bin holds 50 sheets of paper. The MFP stops when the bin is full. This message usually clears when the output bin is emptied. If the message persists, check the following: 1. Verify that the ADF output-bin-full sensor flag can move freely. 2. Verify that the connector for the sensor flag is seated correctly. Use the Scanner Tests in the Troubleshooting menu to test this sensor. See Scanner tests on page 628. Lift up on the sensor to simulate the output bin being full. Observe whether the status changes on the control panel display. If the status does not change, ensure that the connectors are firmly seated. Clean or replace the sensor if necessary. Document feeder cover open The document-feeder (ADF) cover is open. The ADF cover-open sensor is located directly above the ADF feed motor. See ADF and scanner sensors on page 646. When the ADF jam access cover is closed, a plastic protrusion on the bottom of this cover blocks the sensor, and the scanner controller PCB detects that the cover is closed. If you recently disassembled the ADF, ensure that all of the covers are installed correctly and that the wiring to the sensor is firmly seated. Verify that CN105 on the scanner controller PCB is firmly seated. Open the Troubleshooting menu, and touch Scanner Tests and then Sensors. Open and close the ADF jam-access covers and observe whether the status changes on the control panel display. If the status does not change, ensure that the connectors are firmly seated. Clean or replace the sensor if necessary. Document feeder pick error The ADF experienced an error while picking paper. Clear the jam. See Jams in the ADF on page 578. Also see Solving repeated jams on page 571. ENWW Control-panel messages 539