Olivetti d-Color MF4003 Service Manual page 284

d-Color MF4003/MF3303
13.10 Load Check
• To check each device (electric component) for proper condition by individually activating the load associated with the device.
• To identify faults at the time of troubleshooting.
NOTE
Take note of the following during the load check mode.
• No malfunction is detected and no count is taken of consumables life and related items.
• Two or more devices (motors, clutches, solenoids, and fans) cannot be checked simultaneously.
• Detection of proper installation of various types of units and waste toner box does not function. During the check procedure,
therefore, make sure that the unit in question is installed correctly or yet to be installed.
<Procedure>
1. Open the front door, lower front door or the right door.
2. Touch [Start Load Check].
3. Close the door opened on step 1.
4. Referring to the load check list, enter a check code.
5. Referring to the load check list, enter a multi code.
6. Press the Start key.
• When pressing the Start key, the specified load is activated. The Start key blinks in orange.
7. Check the load operation and output of signals.
8. Press the Stop key to stop the check operation and check the result.
NOTE
▪ Depending on the type of load being activated, after the lapse of the specified time or after the transition to the specified
state, the corresponding device automatically stops working.
▪ When 'NG' is displayed, check the wiring and connectors.
9. To check another load or signal output, repeat steps 4 to 8.
10. Turn OFF the main power switch and turn it ON again more than 10 seconds after.
NOTE
▪ To exit from the load check mode, be sure to turn off and on the main power switch.
At the point when you display [Service Mode] -> [State Confirmation] -> [Load Check], MFP enters into load check mode.
Regardless of whether load check is actually performed or not, the main power switch must be turned off and on to exit from load
check mode.
13.10.1 Load check list
Check Multi code Symbol
code
20 1
2 CL3/2
3 CL3/3
4
21 1 CL2/2
2 CL2/3
2
23 4
5
6
24 1
28 11
14
16
19
32 1
2
40 1
4
41 1
4
42 1
2
3
9
Service Manual
Load name
CL3 Tray 1 paper feed clutch
Tray 2 paper feed clutch
Tray 2 paper feed clutch
CL2 Bypass tray paper feed clutch
Tray 2 transport clutch
Tray 3 transport clutch
CL4 Registration clutch
M6 Tray 1 lift-up motor
M2/2 Tray 2 lift-up motor
M2/3 Tray 3 lift-up motor
CL1 1st transfer pressure clutch
M1/2 Tray 2 drive motor high speed
Tray 2 drive motor low speed
M1/3 Tray 3 drive motor high speed
Tray 3 drive motor low speed
M7 Polygon motor high speed
Polygon motor low speed
M1 Main motor high speed
Main motor low speed
M2 Color motor high speed
Color motor low speed
FM1 Power supply cooling fan full
speed
Power supply cooling fan half
speed
FM2 Machine cooling fan full speed
FM4 Clean ventilation fan full speed
Operation outline
Drives the specified clutch.
Drives the specified clutch.
Starts the lift-up operation.
Starts the pressure/release operation of the
1st transfer belt.
NOTE
Be sure to perform the release operation
whenever the pressure/release operation
has been performed. *1
Drives the motor at the specified speed.
Drives the motor at the specified speed.
Drives the motor at the specified speed.
NOTE
Perform with the transfer belt removed.
Drives the motor at the specified speed.
NOTE
Perform with the transfer belt removed.
Drives the specified fan.
I-68
I SERVICE MODE > 13. State Confirmation
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The motor stops
when the upper limit
sensor or lower limit
is detected.
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Note
Y119930-3