| Main |
Sub |
Functions |
Section |
| 1 |
1 |
Used to check the operation of the scanner (reading) unit and the control circuit. |
Scanner (reading) |
| 2 |
Used to check the sensors in the scanner (reading) section and the related circuits. |
Scanner (reading) |
| 5 |
Used to check the operation of the scanner (reading) unit and the control circuit. |
Scanner (reading) |
| 2 |
1 |
Used to check the operations of the automatic document feeder and the control circuit. |
DSPF |
| 2 |
Used to check the operations of the sensors and the detectors in the automatic document feeder section and the control circuits. |
DSPF |
| 3 |
Used to check the operations of the loads in the automatic document feeder and the control circuit. |
DSPF |
| 6 |
Used to check the operation of the scannerfan motor. |
Scanner (reading) |
| 3 |
2 |
Used to check the operations of the sensors and the detectors in the finisher and the control circuit. |
Finisher |
| 3 |
Used to check the operation of the load in the finisher and the control circuit. |
Finisher |
| 10 |
Used to adjust the finisher. |
Finisher |
| 30 |
Inserter sensor check |
Inserter |
| 31 |
Inserter individual load check |
Inserter |
| 40 |
Paper folding unit sensor check |
Paper folding unit |
| 41 |
Paper fold unit individual load check |
Paper folding unit |
| 42 |
Paper folding unit adjustment |
Paper folding unit |
| 50 |
Decurler sensor check |
Decurler |
| 51 |
Decurler individual load check |
Decurler unit |
| 60 |
Stacker sensor check |
Stacker unit |
| 61 |
Stacker individual load check |
Stacker unit |
| 62 |
Stacker adjustment |
Stacker unit |
| 70 |
Booklet maker sensor check |
Booklet maker |
| 4 |
2 |
Used to check the operations of the sensors and detectors in the desk/large capacity tray (LCC), and the control circuit of those. |
Desk/Large capacity tray (LCC) |
| 3 |
Used to check the operations of the loads in the desk/large capacity tray (LCC), and the control circuit of those. |
Desk/Large capacity tray (LCC) |
| 5 |
Used to check the operations of the paper feed desk paper transport clutch (DTRC) and the LCC paper transport clutch (LTRC). |
Desk/Large capacity tray (LCC) |
| 10 |
LCT warm air heater temperature setting |
LCT |
| 11 |
LCT fan Duty setting |
LCT |
| 14 |
LCT temperature and humidity sensor monitor display |
LCT |
| 5 |
1 |
Used to check the operation of the display, LCD in the operation panel, and control circuit. |
Operation panel |
| 2 |
Used to check the operation of the heater lamp and the control circuit. |
Fusing |
| 3 |
Used to check the operation of the scanner lamp and the control circuit. |
Scanner (reading) |
| 4 |
Used to check the operation of the discharge lamp and the control circuit. |
Process |
| 6 |
1 |
Used to check the operations of the load in the paper transport system (clutches and solenoids) and the control circuits. |
Paper transport/Paper exit section |
| 2 |
Used to check the operations of each fan motor and its control circuit. |
Others |
| 3 |
Used to check the operations of the transport unit and the control circuit. |
Process (Transport) |
| 4 |
Used to check the cleaning operation of the PTC and the main charger. |
Process |
| 6 |
Used to perform fusing pressure release and applying, and to check the operations of the control circuits. |
Fusing |
| 90 |
Used to reset the machine to the factory setting. (The scanner is set to the lock enable position) |
Scanner |
| 7 |
1 |
Used to set the operating conditions of aging. |
Others |
| 6 |
Used to set the operating intermittent aging cycle. |
|
| 8 |
Used to display the warm-up time. |
|
| 9 |
Color setting in the color copy test mode (Used to check the copy operation and the image quality for each color). |
|
| 12 |
The document reading number of sheets setting (for aging operation) |
DSPF |
| 8 |
1 |
Used to check and adjust the operations of the developing voltage in each print mode and the control circuit. * When the middle speed is adjusted, the low speed are also adjusted simultaneously. |
Process (Developing) |
| 2 |
Used to check and adjust the operation of the main charger grid voltage in each printer mode and the control circuit. * When the middle speed is adjusted, the low speed are also adjusted simultaneously. |
Process (Charging) |
| 6 |
Used to check and adjust the operation of the transport voltage and the control circuit. |
Process (Transport) |
| 10 |
Main chargertotal current output setting |
Process |
| 9 |
2 |
Used to check the operations of the sensors and detectors in the paper reverse section (duplex section) and its control circuit. |
Duplex |
| 3 |
Used to check the operations of the load in the paper reverse section (duplex section) and its control circuit. |
Duplex |
| 10 |
1 |
Used to check the operations of the toner supply mechanism (toner motor) and the related circuit. |
Toner supply section |
| 2 |
Used to check the operations of the toner remaining quantity sensor and the control circuit. |
Toner supply section |
| 13 |
- |
Used to cancel the self-diag "U1" trouble. |
|
| 14 |
- |
Used to cancel the self-diag H3, H4, H5 troubles. |
|
| 15 |
- |
Used to cancel the self-diag "U6" trouble. |
LCC/LCT |
| 16 |
- |
Used to cancel the self-diag "U2" trouble. |
MFP PWB / PCU PWB / SCU PWB |
| 17 |
- |
Used to cancel the self-diag "PF" trouble. |
|
| 21 |
1 |
Used to set the maintenance cycle. |
|
| 22 |
1 |
Used to check the print count value in each section and each operation mode. (Used to check the maintenance timing.) |
|
| 2 |
Used to check the total number of misfeed and troubles. (When the number of total jam is considerably great, it is judged as necessary for repair.) |
|