HP Color LaserJet CM4730 Service Manual - Page 547
Load Tray Xx <type> <size>
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Table 6-2 Control-panel messages (continued) Control panel message Description Recommended action 40 BAD EIO X TRANSMISSION To continue touch OK The connection between the MFP and the EIO card in the specified slot has been broken. 1. Touch OK to continue printing. 2. Power cycle the MFP. 3. Resend the print job. 4. If the error still occurs, replace the EIO card in slot X. 40 BAD SERIAL TRANSMISSION To continue touch OK A serial data error (parity, framing, or line overrun) occurred as data was being sent by the computer. Touch OK to clear the error message. (Data will be lost.) 40 EMBEDDED I/O BAD TRANSMISSION A connection with the embedded Jetdirect To continue touch OK print server has been broken. 1. Touch OK to continue printing. 2. Power cycle the MFP. 3. Resend the print job. 4. If the error still occurs, replace the formatter. 41.3 LOAD TRAY XX This is typically caused if two or more sheets of media stick together in the MFP or if the tray is not adjusted correctly. 1. Make sure the correct settings are set for the trays. 2. Run a paper path diagnostic test to determine if all sensors are working correctly. 3. Replace the paper feed assembly. 41.3 LOAD TRAY XX To use another tray touch OK The specified tray is loaded with media that is longer or shorter in the feed direction than the size adjusted for the tray. 1. Make sure the correct settings are set for the trays. 2. Run a paper path diagnostic test to determine if all sensors are working correctly. 3. Replace the paper feed assembly. 41.5 Unexpected Type In Tray The printer senses a different media type in 1. Make sure the correct settings are set the media path than configured in the tray. for the trays. 2. Run a paper path diagnostic test to determine if all sensors are working correctly. 3. Replace the paper feed assembly. 49.XXXXX ERROR To continue turn off then on A critical firmware error has occurred that 1. Turn the MFP off and then on. caused the processor on the formatter to abort operation. This type of error can be 2. Press Stop to clear the print job from caused by invalid print commands, corrupt the printer memory. data, or invalid operations. In some cases, electrical noise in the cable can corrupt 3. Turn the MFP off and then on. data during transmission to the printer. Other causes include poor-quality parallel 4. Try printing a job from a different cables, poor-connections, or home-grown software program. If the job prints, go programs. On rare occasions, the formatter back to the first program and try is at fault. printing a different file. If the message appears only with a certain software program or print job, contact the software vendor for assistance. ENWW Control-panel messages 527