The L4-05 error code is an indication of a problem in the color developer drive system. This problem was only infrequent at first but is now constant.
So far I have tested the motor in the appropriate sim 25-1 test. The motor runs seemingly ok.
I have installed a new DV motor for the color developers with no success.
All fuses are good.The load appears to be all right.
I am down to one connector board, one PCU main board, and two ribbon cables.
I am trying to find a way to eliminate the components without going to the expense of buying the parts.
I did change the developer mix and went through the setup but the machine ran ok right after that.
I sure would appreciate some help.
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That code indicates a problem with the (K) developing unit, which is the black color developing unit. Try removing and reinserting the black developing unit. If that doesn't work, probably need to replace the developing unit. Hope that helps.
Yes, The error is a standard code for the drum/developer of a particular color. The 01 is for yellow, the A0 is indicating the measured value of the developer concentration is considerably low. This may be a reult of the drum unit going bad or serveral sensors going bad. How many copies does the yellow drum have on it? Warranty is for approximately 40,000 prints.
This is error in the toner motor. The 0002 is indicating that there is error in the Cyan developing assembly toner supply. You could try switching one toner motor for the other and see if the error cahnges to the other color. The book indicates that it may be the DC controller as a last resort. Check the connection between the motor and the DC controller. Hope this helps.
0000 is yellow, 0001 is magenta, 0003 is for black.
This is toner related error. The code after the dash indicates what color is causing the problem. The fist 2 digits indicate the color of drum. 01 is Black, 02 is Magenta, 03 is Cyan, and 04 - Yellow. The "A0" is indicating that the measured value of the developer concentration is considerably low. The ATR sensor is faulty. The SALT sensor is faulty. The Intermideate Transfer Belt is soiled. I believe depending on how many copies the black drum has, it may be bad. They are warrantied for 40,000 copies. This should get you in the right direction. Good Luck.
SC441 indicates Development Motor Lock / Drum Peripheral Component Motor
Lock.the code indicated one of four things. It could be either the Color PCU, the
gears that drive the PCU, the motor or control board. The easiest of course is
to replace the color PCU, but that runs around $300, but the other parts
required a bit of disassembly to examine.
Workaround : It's possible that there is a poor drum ground from the static eliminator brush. You may need to replace the static brush with the drum grounding leaf spring from a CLC 350 (part numberFA5-9308-000). Follow the procedure in technical publication CTP.NO 700/800-69. Error : E020 sub code 0440 and light density on all colors
Workaround : Check the developer assembly movement, i.e. up & down and that the magnetic roller is turning. Check the EPC readings, laser output, fold back mirror, and the connectors for the developer and the developer bias contacts. If all the above checks are good, then the problem can be with the AC voltage output of the developer bias HVT. The DC-voltage for the developer bias is split between two colors ( magenta & yellow ) or ( cyan & black ). The AC voltage is supplied for all four colors and it's loss will be seen in all the colors whereas the loss of the DC voltage would affect only two colors. To fix the problem replace the developer bias HVT part # FG5-3068-060.
c380 indicates auto-toner error for black developer (K).
Is the harness between the LGC board and the developer unit drawer connector open-circuited? Is any harness inside the developer unit or the auto-toner sensor harness open-circuited? Is the auto-toner sensor connector or the connector CN341 on the LGC board disconnected?
IF connector no problems, then u probably need to replace the auto toner sensor.
Possible bind in one or more of the developer units. Replace as needed.
Sec. 11 Page 11-61 it talks about Paper Feed Drive Motor, it is the
same motor as the Black Developer Drive Motor.
For L4-04 swap those two motors around to troubleshoot bad motor