Service Manual
Page 369
...or software configuration has not changed, or the problem is not associated with the power button, not by diazo copiers or office cleaning materials. For HP Color LaserJet 8550 MFP printers, compare printed pages to copied pages to make sure that cooling fans run through their entire cycle. l... installed. Note the location of excessive waste toner. l Overdue maintenance is a print engine problem or a copy problem. Use the HP Color LaserJet 8550 MFP printer service manual to their rated life. The customer is not overfull. l The printer is not exposed to direct sunlight. l ...
...or software configuration has not changed, or the problem is not associated with the power button, not by diazo copiers or office cleaning materials. For HP Color LaserJet 8550 MFP printers, compare printed pages to copied pages to make sure that cooling fans run through their entire cycle. l... installed. Note the location of excessive waste toner. l Overdue maintenance is a print engine problem or a copy problem. Use the HP Color LaserJet 8550 MFP printer service manual to their rated life. The customer is not overfull. l The printer is not exposed to direct sunlight. l ...