Kyocera FS-C5016N Service Manual - Page 85

FS-C5016N (2) Detaching and refitting the LED print heads Procedure 1. Remove the drum unit (see previous page). 2. Remove the hook and the opening and closing axis and then remove the LED print head cover. • Before removing the LED print head, sufficiently do to let escape the static electricity which is electrified in the human body concerning the metal part and the like of the aqueduct faucet, after that do that work. 3. Remove the LED print head. • Do not attempt turn the focal adjustment pins). • At the time of handling, have the metal based part the both ends, do not touch the SELFOC lens part. 4. Remove the four connectors and then remove the harness. 5. Check or replace the LED print head and then refit all the removed parts. • When replacing to the new LED print head, peel the protection seal (blue color) of the SELFOC lens. Caution • When refitting the LED print head in the drum unit, make sure that the print head is properly seated in the drum unit. Connecotors Harness Connecotor Focal adjustment pin SELFOC lens Focal adjustment pin LED print head Drum unit Hooks Hook LED print head cover Hook 6. Print the test print, and check the image. • After replacing to the new LED print head, when making the printer restart, in order again to read the LED compensation data from the LED print head memory PWB, time of 30 seconds is required. Figure 1-6-17 1-6-13