Konica-Minolta bizhub 20P

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	Mode
Once	9) Factory Inspection Mode
Twice	10) Continuous Grid Pattern Print Mode * Start printing when close the front cover.
Three times	11) Fixing Unit Test Print * Start printing when close the front cover.
Four times	12) NV-RAM Value Dump Mode * Start printing when close the front cover.
Five times	13) RAM Check
Six times	14) QA Test print * Start printing when close the front cover.
Seven times	15) DX setting (ON/OFF)
Eight times	16) Paper Size Setting (A4/Letter)
Nine times	8) PCB ONLY Mode
More than Ten times	Go back to Normal State

Press the [Go] button twice.

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	Mode
Once	17) Printing for Maintenance * Start printing when close the front cover.
Twice	18) Maintenance + Test pattern with margin frame Printing (Duplex/LongBind) * Start printing when close the front cover.
Three times	19) Network Config Printing * Start printing when close the front cover.
Four times	20) Sleep Mode Setting (ON/OFF) * Check that all LEDs are lighted for one second.
Five times	Ineffective
Six times	Ineffective
Seven times	21) Developer Roller Counter Reset 3 (For the toner cartridge) * Check that all LEDs are lighted for one second.
Eight times	22)Fixed USB Speed Mode
Nine times	23) USB Speed Indication (ON/OFF)
Ten times	24) Sleep Mode Indication (OFF/Dimmed)
More than 11 times	Go back to Normal State

CAUTION

• Each mode starts 2 seconds after pressing the [Go] button.
• If the [Go] button is pressed, the Status LED is lighted. If the [Go] button is released, the LED is out.