5-38
Code
No.
Item
Function
c13
c14
c15
c16
c17
c18
c19
c20
c21
c50
Black density sensor reference
level adjustment
(Factory use only)
Black density sensor output gain
adjustment
Not used
LCD touch panel key input
position adjustment
Not used
Laser unit PWM circuit adjustment
Lock operation of mirror and lens
(Field use only)
Toner density sensor output
adjustment
Main memory capacity read
Test pattern print
(Need special adjustment jigs)
This adjustment should be performed when
installing the copier, cleaning / replacing the
black density sensor or replacing the drum.
Procedure:
a) Press the Start key.
b) Adjustment value is automatically stored in
F6-
65
This adjustment is to compensate the LCD touch
panel detecting position to corresponding key
input.
This function automatically prints the gray
steps which corresponds to
F6-39
adjustment
values, when the Start key is pressed.
a) Press the Start key then the mirror unit moves
to locked position for transporting the copier.
b) When the mirror unit is locked, any digit key
input won’t be accepted.
NOTE: The lock operation is automatically
reset when the Power switch is turned
ON again.
a) Press the Start key then the main motor starts
rotating and control voltage of the toner density
sensor is automatically set.
NOTE: Write the value to the memory sheet.
Displays the main memory capacity.
a) Press the Start key then test print is made.