Service Mode - Konica Minolta Bizhub 20p Service Manual

1.3

Service Mode

The service mode is exclusively designed for the purpose of checks, settings and
adjustments, and this function should be accessed by service personnel only. You can
perform a print test and display the log information.
<Procedure>
(1) Check that the front cover is open.
(2) Turn ON the power switch while the [Go] button is held.
(3) After all LEDs on the panel are lit, only the Status LED goes out while holding down [Go]
button.
(4) Release the [Go] button and check that all LEDs are out.
(5) Press the [Go] button once or twice. (If the [Go] button is pressed, the Status LED is lit.
If the [Go] button is released, the LED is out.)
(6) Check that Toner/Drum/Paper LEDs are lighted.
(7) Press the [Go] button depending on the necessary number of times. Each mode starts
after 2 seconds. (If the [Go] button is pressed, the Status LED is lit. If the [Go] button is
released, the LED is out.)
Press the [Go] button once.
Press the [Go] button again depending on the necessary number of times after check
that Toner/Drum/Paper LEDs are lighted.
Press the [Go] button
Once
Twice
Three times
Four times
Five times
Six times
Seven times
Eight times
Nine times
More than Ten times
9) Factory Inspection Mode
10) Continuous Grid Pattern Print Mode
* Start printing when close the front cover.
11) Fixing Unit Test Print
* Start printing when close the front cover.
12) NV-RAM Value Dump Mode
* Start printing when close the front cover.
13) RAM Check
14) QA Test print
* Start printing when close the front cover.
15) DX setting (ON/OFF)
16) Paper Size Setting (A4/Letter)
8) PCB ONLY Mode
Go back to Normal State
6-5
Mode
Confidential