HP 4600 Service Manual - Page 334

Table 7-5 Numerical printer messages (HP Color LaserJet 4610n and 4650 models) (continued) Message Description Action 41.X no VSYNC error PRINTER ERROR 5 media feed error (type) To continue 6 ETB detection error press 7 feed delay error 9 noise VSREQ 49.XXXX PRINTER ERROR To continue turn off then on A critical firmware error has 1 Press CANCEL JOB to occurred that caused the clear the print job from processor on the formatter the printer memory. to abort operation. This type of error can be caused by 2 Turn the printer off and invalid print commands, then on. corrupt data, or invalid operations. In some cases, 3 Try printing a job from a electrical noise in the cable different software can corrupt data during program. If the job transmission to the printer. prints, go back to the Other causes include poor- first program and try quality parallel cables, poor- printing a different file. If connections, or home-grown the message appears programs. On rare only with a certain occasions, the formatter is at software program or fault, which is usually print job, contact the indicated by a 79 Service software vendor for Error. assistance. 4 If the message persists with different software programs and print jobs, disconnect all of the cables to the printer that connect it to the network or computer. 5 Turn the printer off. 6 Remove all memory DIMMs or third-party DIMMs from the printer. 7 Remove all EIO devices from the printer. 8 Turn the printer on. 9 If the error no longer exists, install each DIMM and EIO device one at a time, making sure to turn the printer off and on again as you install each device. 10 Replace a DIMM or EIO device if you determine that it causes the error. 318 Chapter 7 Troubleshooting ENWW