Wednesday, January 20

How to Repair a HP Series 600 Printer

How to Repair a HP Series 600 Printer With a Malfunctioning Paper Feed Mechanism

Most HP Series 600 Printers use the Print Head (where the ink cartridges go) to start the paper pick - up process. The printer uses what is known as a clutch actuator (HP Part No. C4549-40027).

This is the intermediary link between the print head and the actual paper drive system.


In normal use the print head goes to the extreme left to push against the clutch actuator which engages the main drive gear with the paper loading gear assembly. The printers' paper drive rollers pick up the paper till it reaches the top of the roller assembly where the "paper is in place sensor" (located behind the paper drive assembly) activates and the print head then goes into normal printing mode.

When this clutch actuator is damaged the paper drive ceases to function.

Steps

Determine if the clutch actuator is broken or just jammed. HP's website ([1] should be utilized as they have some good parts layout drawings that will help you in this. It will also show you one of the reasons that the clutch actuator is getting jammed is because the cartridges were put in wrong and occasionally gets misaligned. It is a big problem with this series of printers, but it is the first step in determining if this is indeed the problem.
If it is, then carefully and gently lift the clutch actuator assembly up and move it to the right till it sits next to the main drive gear. We will show a case where the clutch actuator was accidentally broken off by the user.
After this you must figure out a way to get the broken part (clutch actuator) that is left in the printer out for repair and re-installation. One way that you can do this is to take all the covers off the printer. Then take apart the print head assembly and associated parts until you are down to the top hold down rail that holds down the paper pick-up assembly and where the clutch actuator is located. Once that was done, take the broken part and using EXTRA STRENGTH Krazy Glue glued the broken pieces back together.
Once the part had cured sufficiently (30 Minutes Min.) You then place the clutch actuator back into it's area and reassembled the rest of the printer.

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