Oki 18 Service Manual page 164

Page: 72
Service Guide OKIPAGE 18/18n
Chapter 5 Periodical Maintenance
5.2.1 Cleaning the LED Lens Array
Clean the LED lens array or replace the toner cartridge when white lines or stripes (void, light printing) are generated
vertically down the page.
Note:
The LED lens array must be cleaned with an LED head cleaner.
(1) Set the LED head cleaner in the LED lens array, as shown in the figure below, and slide the cleaner left and right
several time to clean the head.
Caution:
Do not press the LED head cleaner against the LED lens array.