5-48
Confidential
1.3.24 Laser unit test pattern print (Function code 68)
<Function>
This function is used to print the laser unit test patterns and check if there is any failure in the
laser unit.
<Operating procedure>
(1) Press the
6
and
8
keys in this order in the initial state of the maintenance mode.
“PRINTING” is displayed on the LCD, and one laser unit test pattern (see the figure
below) is printed.
(2) When this operation is completed without an error, “SCANNER CHECK” is displayed on
the LCD.
(3) Press the
X
key and finish this operation to return the machine to the initial state of the
maintenance mode.
* # indicates the toner color (K, Y, M, or C) of which cartridge became empty.
■
Laser unit test pattern
Fig. 5-16
Note:
When printing fails, the following error indications are displayed on the LCD. When the error
factors are removed and the
Mono Start
key is pressed, the machine automatically
recovers to the re-executable state. “PRINTING” is displayed on the LCD, and the Laser
unit test pattern is printed on a sheet.
Error message
Measure
Replace Toner # *
Replace the empty toner cartridge and press the
Mono Start
key
to clear the error.
Cover is Open
Close the front cover.
No Paper
Load paper into the paper tray, close the paper tray, and press the
Mono Start
key to clear the error.
Jam Tray1
Remove the jammed paper, close the paper tray and all the
covers, and press the
Mono Start
key to clear the error.
Jam Rear
