MX-C301, MX-C301W (serv.man5). Service Manual (Revised May 2016). - Sharp Copying Equipment Service Manual (repair manual). Page 120

MX-C301  SIMULATION  6 – 3

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 auto document feed unit and the control circuit.

RSPF

2

Used to check the operations of the sensors and the detectors in the document feed unit section and the 
control circuits.

RSPF

3

Used to check the operations of the loads in the auto document feed unit and the control circuit.

RSPF

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 primary transfer unit and the control circuit.

Process (Transfer)

90

Used to set the machine to the factory default settings. 

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)

RSPF

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  transfer voltage and the control circuit.

Process (Transport)

10

1

Used to check the operations of the toner supply mechanism (toner motor) and the related circuit.

Process (Developing)

13

-

Used to cancel the self-diag "U1" trouble.

14

-

Used to cancel the self-diag H3, H4, H5, U1 troubles.

16

-

Used to cancel the self-diag "U2" trouble.

MFP PWB / PCU PWB / 
SCU PWB

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 numbers of misfeed and troubles. (When the number of total jam is considerably 
great, it is judged as necessary for repair.)

3

Used to check misfeed positions and the misfeed count of each position. 
* Presumption of the faulty point by this data is possible.

4

Used to check the trouble (self diag) history.

5

Used to check the ROM version of each unit (section).

Firmware

6

Used to output various adjustment/setting data (simulations, FAX soft switch counter), the firmware version, 
the counter list and the process control data. 

8

Used to check the number of operations (counter value) of the finisher, the RSPF, and the scan (reading) unit.

9

Used to check the number of use (print quantity) of each paper feed section.

Paper feed, ADU

10

Used to check the system configuration (option, internal hardware).

11

Used to check the use frequency (send/receive) of FAX. (Only when FAX is installed)

FAX 

12

Used to check the RSPF misfeed positions and the number of misfeed at each position. (When the number of 
misfeed is considerably great, it can be judged as necessary for repair.)

RSPF 

13

Used to check the operating time of the process section (OPC drum, DV unit, toner cartridge).

Process

14

Used to display the use status of the toner cartridge.

Process

15

Used to display the history of toner usage.

18

Used to display the history of clear data.

19

Used to check the values of the counters related to the scan - image send.

40

Used to display the error code list and the contents.

42

Used to check the JAM/trouble data.

43

JAM data details display

90

Used to output the various set data lists.

23

2

Used to output the trouble history list of paper jam and misfeed. 
(If the number of troubles of misfeed is considerably great, the judgment is made that repair is required.)

80

Used to check the operation of paper feed and paper transport in the paper feed section and the paper 
transport section. Used to output the list of the operation status of the sensor and the detectors in the paper 
feed section and the paper transport section.

Paper feed, Paper transport

81

Used to check the operation of paper feed and paper transport in the paper feed section and the paper 
transport section. Used to receive the list of the operation status of the sensor and the detectors in the paper 
feed section and the paper transport section.

Paper feed, Paper transport