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OPERATION PANEL DISPLAY
4.3.2 PRINTING A CLEANING SHEET
You should print a cleaning sheet if printed images are blurred, faded or smeared.
The machine cleans the drum inside the toner cartridge when you print a cleaning
sheet. A page with toner debris gets output when you print the cleaning sheet.
Make sure you discard this sheet.
Do the following procedure to print the cleaning sheet.
1. Make sure the machine is turned on and in the 'Ready Mode' and paper is
loaded in the paper tray unit.
2. Press and hold the cancel button for about 10 seconds. The machine
automatically prints out the cleaning sheet.
The print a cleaning sheet operation takes time.
4.4 OPERATION PANEL DISPLAY
The table below shows error messages that show on the operation panel.
Error
Open fusing unit error
Over heat error
Low heat error
LSU not ready error
(polygon motor error)
LSU not ready error
(HSYNC error)
4.5 PERIODIC DEFECTIVE IMAGE
Number
Roller
1
OPC drum
2
Charge roller
3
Supply roller
4
Developing roller
5
Transfer roller
6
Hot roller
7
Pressure roller
The [Error] LED (red) and the [Toner Save] LED flash simultaneously
at 1 second intervals.
The [Error] LED (orange) and the [Toner Save] LED flash
simultaneously at 1 second intervals.
The [Error] LED (red) and the [Toner Save] LED flash simultaneously
at 4 second intervals.
The [Error] LED (green) and the [Toner Save] LED flash simultaneously
at 1 second intervals.
The machine stops printing and the [Error] LED (green) and the
[Toner Save] LED flash simultaneously at 4 second intervals.
Defective Image
75.5 mm
37.7 mm
44.9 mm
35.3 mm
47.1 mm
78 mm
75.5 mm
4-10
LED Status
Description
White spots on black image, or black
spots.
Black spots
Light or dark horizontal bands
Horizontal image band
Ghosting
Black spot and ghosting
Black spots on the rear side of the
printout
20 July 2005
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