General Procedures and Information
WorkCentre 3119 06/06 6-31
GP 4 Engine Test Mode
The Engine Test Mode supplies useful functions to check the condition of the engine. It tests the
condition of each device and displays the result of the test on the LCD.
To enter the Engine Test Mode
To enter the Engine Test mode
Press “Menu > Copies >W > X> Menu > W in sequence, and the LCD briefly displays 'Engine
Test [Diagnostic]', the machine has entered Engine Test Mode.
• To enter a lower menu (Sub menu) Press the Menu key.
• To exit into an upper menu Press the Menu/Exit key.
• To return to the user menu Press the Menu/Exit key.
Diagnostics
Table 1:
Main menu Engine Test Remarks
ENGINE TEST
MET FAN SOL
ETC
Motor Test (Stepper motor drive, PL 6) 1:On, 2:Off
Pickup Test (Solenoid HB pickup, PL 3) 1:On, 2:Off
Fan Test (Toner Fan, PL 1) 1:On, 2:Off
Manual Clt Test (Solenoid HB bypass, PL 3) 1:On, 2:Off
PTL Test (PTL lens, PL 4) 1:On, 2:Off
ENGINE TEST
LSU TEST
LSU Motor Test (LSU, PL 1) 1:On, 2:Off
LSU Hsync Test (LSU, PL 1) 1:On, 2:Off
LD Test 1:On, 2:Off
ENGINE TEST
SENSOR TEST
Feed Sen Test (Main PBA, PL 1) Check: Start check
Next: Check next sensor
Exit Sen Test (Main PBA, PL 1) Check: Start check
Next: Check next sensor
Cover Sen Test (Main PBA, PL 1) Check: Start check
Next: Check next sensor
Empty Sen Test (Main PBA, PL 1) Check: Start check
Next: Check next sensor
Manual Sen Test (Main PBA, PL 1) Check: Start check
Next: Check next sensor
ENGINE TEST
HEAT TEST
Therm ADC 220-85 (Fuser, PL 5) 1:On, 2:Off (maintain the fusing temp. 65C-
230C)
ENGINE TEST
HVPS TEST
MHV Test (SMPS/HVPS, PL 1) 1:On, 2:Off (-1550V+/- 50V)
Deve Bias Test (SMPS/HVPS, PL 1) 1:On, 2:Off (-430V +/- 20V)
THV EN/NEG Test (SMPS/HVPS, PL 1) 1:On, 2:Off (-1000V+/- 300V/-150V)
THV ON (1300V) (SMPS/HVPS, PL 1) 1:On, 2:Off (+1300V+/- 20V)
THV ADC 1300V (SMPS/HVPS, PL 1) 1:On, 2:Off
THV ADC 600V-3550V (SMPS/HVPS, PL 1) 1:On, 2:Off (Compare each ADC value)
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