HP Color LaserJet CM4730 Service Manual - Page 566
Replace Supplies - Using black, Replace Staple Cartridge
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Table 6-2 Control-panel messages (continued) Control panel message Description Recommended action Replace Fuser Kit The fuser is nearing the end of its useful life. Printing can continue. Replace the fuser kit. 1. Open the right-side covers. 2. Use the green handle to lift the fuser cover. 3. Grasp the purple handles on the fuser unit. 4. Remove the old fuser unit from the MFP. 5. Install the new fuser unit. 6. Close the top cover. Replace Staple Cartridge The control panel indicates that the stapler is out of staples; however, after putting in a new cartridge, the message remains. The signal is generated by sensor PHOI2 (staple-ready sensor) or sensor PHOI3 (staple-level sensor). Both are located in the stapler assembly and cannot be cleaned or serviced. 1. Make sure that a genuine HP staple cartridge is being used. 2. Replace the staple cartridge. NOTE: Staples come preloaded in the staple cartridge and cannot be ordered separately as a refill from HP. Replace Supplies Replace Supplies - Override in use Replace Supplies - Using black Replace Transfer Kit 3. Turn the MFP off then on. 4. If none of the above corrects the problem, replace the stapler/stacker unit. If the device is configured to stop at out and multiple print cartridges are out, this message is displayed. Replace the empty cartridges. The MFP is set to continue printing even though a print cartridge has reached end of life. From the control-panel Home screen, touch Supplies Status and then touch the Supplies tab so you can see which supplies are out. Replace the necessary print cartridge. A color supply (or supplies) has reached No user input is required for printing to the out condition and the Color Supply continue. Printing continues in black. Out menu item is set to Autocontinue black. The transfer unit is at end of life. Printing can continue, but print quality might be reduced. Replace the transfer kit. 1. Open the right-side covers. 2. Lower the transfer unit by pulling downward on the green handle at the top of the unit. 3. Depress the small blue latches located on either side of the bottom of the transfer unit and lift the unit out of the MFP. 4. Install the new transfer unit. 5. Close the right-side covers. 546 Chapter 6 Problem solving ENWW