OKIDATA OL400e Series, Service Manual

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Page: 154
Service Manual for OL400e/OL410e/OL410e-PS
Chapter 3 Maintenance & Disassembly
Drum Count Total Display
General Information
The drum count total display is the total number of revolutions made by the
image drum.
For a one page, letter-size print job, the drum rotates five (5) times.
One revolution = prepares the drum for printing
Three revolutions = print the page
One revolution = cleans the drum
The drum count total is NOT the same as the drum count or the page count.
Procedure
To view the drum count, perform the following procedure.
- Close the stacker cover.
- Install the paper cassette tray.
- Clear all error messages displayed on the operator panel.
- Power OFF the unit.
- Press and hold ENTER / Copies and FORM FEED / Tray Select while powering
ON the unit.
- Continue to hold ENTER / COPIES and FORM FEED / Tray Select through all panel
displays.
The operator panel displays the following for approximately two seconds.
88888888
88888888
The operator panel will briefly display the following message.
INITIAL-
IZING
- Continue to hold ENTER / COPIES and FORM FEED / Tray Select until the operator panel
displays the following message.
ENG MNT
- Press MENU 1 / Menu 2.
The operator panel displays the following message.
LED HEAD
NO.16 *
- Press MENU 1 / Menu 2.
The operator panel displays the following message.
PRINT POS