15)Toner Cartridge Is Not Recognized(Error 540,541,542,543); Toner Cartridge Is Not Recognized(Error 540,541,542,543); Errors Caused By Consumables - Oki C5500 Maintenance Manual

7.5.2.(15)

Toner cartridge is not recognized(Error 540,541,542,543)

(15-1)Errors caused by consumables

Confirmation Items
(15-1-1) Installed state of consumables
ID units and toner cartridges
(15-2)Errors caused by toner sensor
Confirmation Items
(15-2-1) State of toner sensor
Toner sensor
Toner sensor
Note!
How to check a toner sensor operation with SWITCH SCAN in the self-diagnosis mode.
(
1) Confirmation of the operation in the device
1) Change to a display that a changing situation of the toner sensor is confirmed from the
2) When taking out an ID unit and toner cartridge (TC) from the device, there is a window on
3) Hold up a piece of white paper against a sensor in a place within 3mm from a sensor
4) The operation panel displays "L" if a piece of paper has light reflection and it displays "H" if
5) By holding up a piece of paper, if the operation panel changes "H"to "L" or "L" to "H", the
Response in NG:
•
•
•
(2) Confirmation of the operation in Toner Cartridge (TC)
1) Install a TC and ID unit in a position where normal operation of the device has confirmed in
2) The display of the operation panel changes "H" to "L" or "L" to "H" in conjunction with an
Response in NG:
•
•
•
43085101TH Rev.1
Are the ID units installed in the right positions? Check to see if
the lock levers of the toner cartridges are locked.
Is the toner sensor lens stained with toner?
Use the SWITCH SCAN function of the diagnostic mode to
check to see if the sensor is normal. Hold a white paper in front
of the sensor, and see if the SCAN state varies.
operation panel in the self-diagnosis mode.
Refer to Section 5.4.2.3 Switch Scan Test as for how to display the operation panel.
the observers' right from the device, in a position across to the side of the TC.
In that window, a toner sensor is located.
window.
not.
device operates normally.
Clean a toner of the sensor surface and clear paper dust.
Confirm a connection state of FFC cable between the toner sensor board (PRX) and PU
main board (PRZ).
Check an operation again and exchange PU main board (PRZ) or a toner sensor board
(PRX) if there is no change.
Confirmation (1) and check operation in the operation panel.
action of TC white light reflector when operation of TC is normal.
Confirm an operation state of each ID motor by MOTOR&CLUTCH TEST in the self-diagnosis
mode.
Clean the surface of the white light reflector at the side of TC. (Dirty from a toner or paper
dust.)
Exchange a TC of a different color and ID unit by the set..
Exchange a TC or ID unit if the set of the different color is OK.
Confirmation Tasks
Confirmation Tasks
Oki Data CONFIDENTIAL
Action at NG
Redo the installation
properly.
Action at NG
Wipe off the stain
Replace the toner
sensor PCB (PRZ
PCB), PU PCB (PRX
PCB) or the FFC
between PRZ and
PRX.
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