Lexmark C540 Service Manual - Page 195

Tray present sensor removal, Imaging unit IU removal

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5025-2xx, 4xx Tray present sensor removal See "photo sensors" on page 7-7 for the part number. 1. Remove the media tray. 2. Remove the imaging unit. See "Imaging unit (IU) removal" on page 4-35. 3. Remove the waste toner bottle. See "Waste toner bottle removal" on page 4-60. 4. Remove the rear screw (A) in the waste toner bottle sensor contact to allow access to the cable cover. Note: The waste toner bottle sensor contact does not need to be unplugged or removed. 5. Remove the four screws (B) from the cable cover, and remove the cable cover. 6. Turn the printer on the back. 7. Remove the connector and the sensor from the bracket, tilt them, and push them through the opening. Note: You may need a springhook to disconnect the sensor from the bracket. Repair information 4-57

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Repair information
4-57
5025-2xx, 4xx
Tray present sensor removal
See “photo sensors” on
page 7-7
for the part number.
1.
Remove the media tray.
2.
Remove the imaging unit. See
“Imaging unit (IU) removal” on page 4-35
.
3.
Remove the waste toner bottle. See
“Waste toner bottle removal” on page 4-60
.
4.
Remove the rear screw (A) in the waste toner bottle sensor contact to allow access to the cable cover.
Note:
The waste toner bottle sensor contact does not need to be unplugged or removed.
5.
Remove the four screws (B) from the cable cover, and remove the cable cover.
6.
Turn the printer on the back.
7.
Remove the connector and the sensor from the bracket, tilt them, and push them through the opening.
Note:
You may need a springhook to disconnect the sensor from the bracket.