CHAPTER 8 SOFTWARE SERVICE SUPPORT
Confidential
8-4
1.3 Service Mode
Operation procedure of Service Mode is shown below.
1. Check that the front cover is open.
2. Turn ON the power switch while the Go button is held.
3. Check that Toner/Drum/Paper LEDs are lighted.
4. Release the Go button and check that all LEDs are out.
5. Press the Go button once or twice.
6. Check that Toner/Drum/Paper LEDs are lighted. Æ (i)
7. Press the Go button. (The mode changes every time the button is pressed.)
Press the Go button Press the Go button
Each mode starts after 2 seconds.
Once (1) Factory Inspection Mode
Twice (2) Continuous Grid Pattern Print Mode
Three times (3) Fixing Unit Test Print
Four times (4) NV-RAM Value Dump Mode
Press the Go button
once.
* Check that Toner/
Drum/Paper LEDs
are lighted. Æ (i)
Five times (5) RAM Check
* Check that all LEDs are out. Æ (iii)
Once (6) Printing for Maintenance
Twice (7) Print Settings
Three times (8) Sleep Mode Indication
(OFF/Dimmed)
Four times (9) Sleep Mode Setting (ON/OFF)
* Check that all LEDs are out. Æ (iii)
Five times (10) Developer Roller Counter Reset 1
(For the starter toner)
* Check that all LEDs are out. Æ (iii)
Press the Go button
twice.
* Check that Toner/
Drum/Paper LEDs
are lighted. Æ (i)
Six times (11) Developer Roller Counter Reset 2
(For the standard toner)
* Check that all LEDs are out. Æ (iii)
Explanation of functions of each Service Mode is shown below.
The procedure from 1 to 4 is the same as the above.
Number of times of pressing the Go button
Press the Go button for 2 seconds
(long push).
(Check that Paper LED is lighted.)
PIT3 Inspection Mode
* Factory use.
NOTE:
* Each mode starts 2 seconds after pressing the Go button.
* If the Go button is pressed, the Ready LED is lighted. If the Go button is released,
the LED is out.
Æ
(ii)
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