HP 750c Service Manual - Page 158
Pen Alignment, alignment is completed, then check the plot for any cartridge failures.
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19. Pen Alignment The purpose of this test is to perform the pen alignment. Perform the pen alignment test as follows: Load coated media before performing this test. 1 In the Service Tests submenu, scroll to 19 Pen Alignment" and press Enter. SERVICE TESTS 19 Pen alignment 2 The Aligning Cartridges" message is displayed on the frontĆpanel while the plotter prints the alignment plot and aligns the cartridges. 3 If the Aligning Finished / Press Enter" message is displayed on the frontĆpanel when the alignment is completed, then check the plot for any cartridge failures. If the plot shows any signs of cartridge failures then, to resolve the problem, try one of the following: 1 Perform the line sensor calibration ' page 7Ć5. 2 Perform the mainĆcarriage com test ' page 8Ć26. 3 Replace the carriage ' page 6Ć34. 4 If the Alignment Error / Press Enter" message is displayed on the frontĆpanel when the alignment is completed, but the plot doesn't show any cartridge failures, then, to resolve the problem, try one of the following: 1 Replace the cartridge(s). 2 Perform the nozzle print test ' page 8Ć32. 8-40 Troubleshooting C4705-90000