HP 2420 Service Manual - Page 200
Size In Tray X, Tray Xx Size
UPC - 829160289205
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Table 7-8. Interpreting control-panel messages (continued) Control panel message Event Description log error message Recommended action 22 EIO X BUFFER OVERFLOW alternates with To continue press Too much data was sent to the EIO card in the specified slot [X]. An improper communications protocol might be in use. Note: EIO 0 is reserved for the HP Jetdirect embedded print server. 1. Press (SELECT button) to clear the message. (The job will not be printed.) 2. Check the host configuration. 3. If this error message persists, replace the EIO card. 22 USB I/O BUFFER OVERFLOW alternates with To continue press Too much data was sent to the USB port. Press (SELECT button) to clear the error message. (The job will not be printed.) 40 EIO X BAD TRANSMISSION alternates with To continue press The connection has been broken between the printer and the EIO card in the specified slot [X]. Note: EIO 0 is reserved for the HP Jetdirect embedded print server. Press (SELECT button) to clear the error message and continue printing. 41.3 UNEXPECTED SIZE IN TRAY X alternates with LOAD TRAY XX [TYPE][SIZE] This is typically caused if two or more sheets stick together in the printer or if the tray is not correctly adjusted. 1. Reload the tray with the correct paper size. 2. Press (SELECT button) to scroll to TRAY XX SIZE=. Reconfigure the size in a tray so that the printer will use a tray that contains the size that is required for the print job. 3. If the error does not clear, turn the printer off, and then turn the printer on. 4. If the message persists, verify that sensors are operating and the sensor flags can move freely. 5. Replace the ECU (see ECU). 41.X ERROR For help press alternates with 41.X ERROR To continue press A temporary printing error occurred. 1. Press (SELECT button). The page containing the error automatically reprints if jam recovery is enabled. 2. Turn the printer off, and then turn the printer on again. 3. If the message persists, or if these errors becomes a frequent problem, replace the ECU (see ECU). 186 Chapter 7 Troubleshooting ENWW