5-35
Confidential
*1
The serial number can be changed using the steps below.
(1) Push the 9, 4, 7, and 5 buttons in this order with the serial number displayed.
(For models without the numeric keys; push the or button to display “9” on
the LCD, and push the OK button. Perform the same operation to display “4”, “7”,
and “5”.) The first digit of the serial number displayed on the LCD flashes.
(2) Models with numeric keys
Use the numeric keys to enter the first digit of the machine's serial number, and
push the button to change the flashing digit. Repeat this operation until the
nine-digit serial number is entered.
<Entry method of alphabetical characters>
Push the corresponding numeric keys in the table below until the desired
alphabetical character is displayed.
Models without numeric keys
Push the or button to display the first digit of the machine's serial number on
the LCD, and push the OK button. Then, push the button to display “?” on the
LCD, and push the OK button to change the flashing digit. Repeat this operation
until the nine-digit serial number is entered.
<Entry method of alphabetical characters>
a) Push the or button to display the number corresponding to the
alphabetical character in the table below on the LCD, and push the OK button.
The selected number is displayed on the LCD.
b) Push the or button again to display the same number on the LCD, and
push the OK button. The corresponding alphabetical character is displayed on
the LCD. (Do not change the flashing digit.)
LCD Description
Number of error
occurrences
HODN_ER: Number of times that the error caused by
the dirt on the corona wire occurs
FUSR_ER: Number of times that fuser unit error occurs
MTLK_ER: Number of times that the motor lock error in
the laser scanner occurs
Error log related
items
MACHINEERR_##:
*5
Error history ## to be displayed to the user:
Error code/Occurrence page counter
COMERR##: Last communication error mode
Numeric key Assigned characters
22 → A → B → C
33 → D → E → F
44 → G → H → I
55 → J → K → L
66 → M → N → O
77 → P → Q → R → S
88 → T → U → V
99 → W → X → Y → Z