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bizhub C4000i/C3300i
13. State Confirmation
13.1 Sensor Check
• To display the states of the input ports of sensors and switches when the machine remains stationary.
• Used for troubleshooting when a malfunction or a misfeed occurs.
• The operation of each of the switches and sensors can be checked on a real-time basis.
• It can be checked as long as the 5-V power line remains intact even when a door is open.
NOTE
▪ Depending on options mounted in the MFP, the sensor check screens to be displayed may vary.
<Procedure>
1. Select the sensor check screen contains target electrical parts.
2. Change the state of the electrical parts.
3. Check the sensor check screen display.
13.1.1 bizhub C4000i/C3300i
Sensor Monitor 1
Panel display
Paper feed tray
Tray 1 Set Sensor
1
Paper empty
Paper feed
Upper Limit of Lift-up
Paper feed tray
Tray 2 Set Sensor
2
Paper empty
Vertical transport
Paper feed
Upper Limit of Lift-up
Paper feed tray
Tray 3 Set Sensor
3
Paper empty
Vertical transport
Paper feed
Upper Limit of Lift-up
Manual
Paper empty
Paper passage
Registration sensor
transportation
Paper Sensor
Duplex Sensor
Exit Sensor
Sensor Monitor 2
Panel display
Transfer belt
Retraction
Waste Toner
Waste Toner Box Set
Waste Toner full
Fusing
Roller Retraction
13.2 Table Number
Vdc-C/ Vg-C
• When IDC is detected, for plain paper, Thick, and Black, the machine independently displays each Vg or Vdc output value that is calculated
based on the density (toner amount stuck on the belt) of the test pattern created on the transfer belt.
• Used for troubleshooting of image problems.
• If the value is high: In IDC detection, the image density is judged as low, thus the Vg/Vdc value is to be adjust higher.
• If the value is Low: In IDC detection, the image density is judged as high, thus the Vg/Vdc value is to be adjust lower.
Display item
Vdc
Vg
LD Light Value
• Shows the LD light value of toner during print image formation.
Part/signal name
-
Tray 1 paper empty sensor
Tray 1 paper feed sensor
Tray 1 upper limit sensor
-
Tray 2 paper empty sensor
Tray 2 transport sensor
Tray 2 paper feed sensor
Tray 2 upper limit sensor
-
Tray 3 paper empty sensor
Tray 3 transport sensor
Tray 3 paper feed sensor
Tray 3 upper limit sensor
Bypass tray paper empty sensor
Registration sensor
Fusing loop sensor
ADU transport sensor
Paper exit sensor
Part/signal name
1st transfer pressure sensor
Waste toner bottle set sensor
Waste toner near full sensor
I-46
I SERVICE MODE > 13. State Confirmation
Symbol
Operation characteristics/panel display
1
-
Set
PS1
Paper not present
PS3
Paper present
PS2
Upper position
-
Set
PS1/2
Paper not present
PS6/2
Paper present
PS3/2
Paper present
PS2/2
Upper position
-
Set
PS1/3
Paper not present
PS6/3
Paper present
PS3/3
Paper present
PS2/3
Upper position
PS4
Paper not present
PS9
Paper present
PS10
Paper present
PS2
Loop present
PS13
Paper present
Symbol
Operation characteristics/panel display
1
PS39
Not released
PS6
Set
PS15
Blocked
Reference value
Around -0 V to -800 V.
Around 0 V to -1600 V.
0
Out of position
Paper present
Paper not present
Other than upper
position
Out of position
Paper present
Paper not present
Paper not present
Other than upper
position
Out of position
Paper present
Paper not present
Paper not present
Other than upper
position
Paper present
Paper not present
Paper not present
Loop not present
Paper not present
0
Released
Out of position
Unblocked
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