Resolving the 5. 0. Fuser Error in the HP P4. P4. 01. 5, and P4. On majority of HP machines the 5. RM1 4. 55. 4 0. Philosophy Metaphilosophy Metaphysics Epistemology Ethics Politics Aesthetics Thought Mental Cognition. HP inkjet cartridges and compatible Hewlett Packard deskjet printer cartridges, printer ink refill kits and ink refill bottles. Information on HP printer ink for. HP-OfficeJet-Pro-6978-Driver-software.png' alt='Hp Deskjet 850C Driver Download Xp' title='Hp Deskjet 850C Driver Download Xp' />The good thing about this particular error is that it usually is solved without replacing the fusing unit. Happyland Adventures 1.3. In this article Id like to talk about possible situations that can cause the issue and how to go about solving it. Since the error is related to a high temperature reading turn the machine off and let it sit 2. One thing you dont want to do is turn it off then back on right away. Since the fusing assembly is already overheating turning it back on right away can cause it to heat up more and permanently damage the unit. HP P4. 01. 5 P4. The following is a partial list of products manufactured under the HewlettPackard brand. Hp Deskjet 850C Driver Download Xp' title='Hp Deskjet 850C Driver Download Xp' />P4. Fuser Kit RM1 4. Check your environment   Make sure you have proper ventilation. I usually recommend 4 to 6 inches of clearance around all sides of the machine. Also make sure the machine is not in an extremely hot environment. This last year with it being so hot I had several customers with machines out in factories or shipping departments have overheat issues in their laser printers. Media   Running large print jobs with heavy cardstock can cause overheat issues. If you specify that you are using heavy cardstock in most modern printers the machine heats up the fuser more. So the fusing unit might normally run at around 3. Sometimes the fuser cant stay at the correct temperature and it keeps rising under these circumstances. To avoid this problem break the large print job into smaller jobs with time to cool down in between jobs. If all the steps above have failed to solve your 5. Below is a link to the instructions on how to remove the fusing assembly and below that is a link to purchase a new fuser or PM kit for your machine. HP laserjet P4. 01. P4. 01. 5, P4. 51. P4. 51. 5 Fuser Removal procedure. November 2. 0, 2.