MX-C301, MX-C301W (serv.man5). Service Manual (Revised May 2016). - Sharp Copying Equipment Service Manual (repair manual). Page 126

MX-C301  SIMULATION  6 – 9

 

 

5-1

Operation test/check

Used to check the operation of the display,
LCD in the operation panel, and control cir-
cuit.

Operation panel

The LCD is changed as shown below.

The contrast changes every 2sec from the current level to MAX ->
MIN ->  the current level. During this period, each LED is lighted.

The LCD display contrast change and the LED lighting status are
checked.

 

5-2

Operation test/check

Used to check the operation of the heater
lamp and the control circuit.

Fusing

1)

Select the item to be operation checked with the touch panel
key.

2)

Press [EXECUTE] key.

The selected heater lamp operates ON/OFF.

When [EXECUTE] key is pressed, the operation is terminated.

Heater lamp operation check method: 
Remove the front cabinet upper and the paper exit tray, and the
lighting status of each heater lamp can be checked through the
clearance between the fusing pressure release drive gear and the
frame fusing section.

 

5-3

Operation test/check

Used to check the operation of the scanner
lamp and the control circuit.

Scanner (reading)

1)

Select the item to be operation checked with the touch panel
key.

2)

Press [EXECUTE] key.

The scanner lamp lights up for 10 sec.

When [EXECUTE] key is pressed, the operation is terminated.

 

5-4

Operation test/check

Used to check the operation of the dis-
charge lamp and the control circuit.

Process

1)

Select a target of the operation check with the touch panel key.
When [ALL] key is pressed, all the items are selected.

2)

Press [EXECUTE] key.

The selected discharge lamp is lighted for 30 sec.

When [EXECUTE] key is pressed, the operation is terminated.

 

 

6-1

Operation test/check

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

1)

Select the item to be operation checked with the touch panel
key.

2)

Press [EXECUTE] key.

The selected load performs the operation.

When [EXECUTE] key is pressed, the operation is terminated.

Load operation check method: 
The load operation is checked by the operation sound. However,
there are some loads which cannot be checked with the operation
sound.

 

6-2

Operation test/check

Used to check the operations of each fan
motor and its control circuit.

Others

1)

Select the item to be operation checked with the touch panel
key.

2)

Press [EXECUTE] key.

The selected load performs the operation.

When [EXECUTE] key is pressed, the operation is terminated.

Press [ALL] key to select all the fans collectively.

Load operation check method: 
The load operation is checked by the operation sound. However,
there are some loads which cannot be checked with the operation
sound.

HL_LM

Heater lamp (MAIN) (Paper surface heat roller)

DL_K

Discharge lamp K

DL_C

Discharge lamp C

DL_M

Discharge lamp M

DL_Y

Discharge lamp Y

FUM

Fusing motor

Fusing motor middle speed 
drive ON/OFF

CPUC

Paper feed tray 1 paper 
feed clutch

CPUC1 Signal ON/OFF

RRC

PS clutch

RRC Signal ON/OFF

MPFC

Manual paper feed clutch

MPUC1 Signal ON/OFF

POC

Paper delivery clutch

POC Signal ON/OFF

PORC

Paper delivery / switch back 
clutch

PORC Signal ON/OFF

ADUC

ADU transport clutch 1

ADUC1 Signal ON/OFF

PCSS

Process control shutter 
solenoid

PCSS Signal ON/OFF

C2MM

Paper feed tray 2 paper 
feed motor

C2MM Paper feed speed 
drive ON/OFF

C2LUM

Paper feed tray 2 lift up 
motor

C2LUM Signal ON/OFF

C2PFC

Paper feed tray 2 paper 
feed clutch

C2PFC Signal ON/OFF

1TURC

Primary transfer separation 
clutch 1

1TURC Signal ON/OFF

C2TRC

Paper feed tray 2 paper 
transport clutch

C2TRC Signal ON/OFF