Ricoh AC104, Service Documentation

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ENGINE TEST MODE
SM 5-11 B173
Service
Tables
5.5 ENGINE TEST MODE
The engine test mode provides functions to examine the engine condition. It
examines the condition of each device and shows the result of the test on the LCD.
It is in 6. items (0~5). The functions of items are shown below.
5.5.1 TO ENTER THE ENGINE TEST MODE
Press MENU, #, 1, 9, 3, 1 in sequence, and the LCD briefly displays ‘Engine Test
Mode’, the machine has entered service (tech) mode.
NOTE: It may cause any damage on the machine if a test is done for long time.
5.5.2 DIAGNOSTIC
No. Test Name Engine Test Remarks
Motor Test 1 : On, 2 : Off
PickUp Test 1 : On, 2 : Off
Fan Test 1 : On, 2 : Off
Manual Clt Test 1 : On, 2 : Off
0
MTR FAN SOL
ETC
PTL Test 1 : On, 2 : Off
LSU Motor Test 1 : On, 2 : Off
LSU Hsync Test 1 : On, 2 : Off
1 LSU TEST
LD Test 1 : On, 2 : Off
Check : Check Sensor status
Feed Sensor Test
Next : Next Sensor Check
Check : Check Sensor status
Exit Sensor Test
Next : Next Sensor Check
Check : Check Sensor status
Cover Sensor Test
Next : Next Sensor Check
Check : Check Sensor status
Empty Sen Test (Paper
End Sensor)
Next : Next Sensor Check
Check : Check Sensor status
2
SENSOR
TEST
MP Empty Sen Test
(Bypass paper sensor)
Next : Next Sensor Check
3 HEAT TEST THERM ADC 220~85 1 : On, 2 : Off (maintain the fusing temp.)
MHV Test 1 : On, 2 : Off (-1550V ± 50V)
Dev Bias Test 1 : On, 2 : Off (-430V ± 20V)
THV EN/NEG Test 1 : On, 2 : Off (-1000V +300V/-150V)
THV On (1300V) 1 : On, 2 : Off (+1300V ± 20V)
THV ADC 1300V 1 : On, 2 : Off (ADC Value : 101 ± 5)
4 HVPS TEST
THV ADC 600V~3550V 1 : On, 2 : Off (Compare each ADC Value)
Heat Error Num
Low Heat Num
5
Heat Buffer 1~10