Bizhub 420 error C-2403

[Will]

Anybody out there have any suggestions on intermittent C-2403 faults only when it tries to turn the toner bottle to add toner. I have tried everything I can think of and I'm at my wits end. Replaced the PS28 toner bottle position sensor, the toner bottle motor, the printer controller board. Both toner bottle position sensor and toner bottle in place sensor check good in service mode. When I go into service mode and try to turn on the toner bottle motor code 56-1 or 56-2 the drive index ring turns in either direction, but the bottle won't, no matter if its latched in place with spring tension from its front door, or if I try to manually hold tension on it or try to help it along. If I try to stop the index ring while its turning with hand pressure it seems as though it has a lot of positive drive. If I really bare down on it though I can get to make some gear noise and start to slip.

I've pulled the whole toner bottle drive mechanism out 3 times and have checked the gears for missing teeth or wear and everything seems fine. I've tried
2 different toner bottles thinking its something with the bottle not latching in place and holding properly. If I manually engage it outside of the machine and
turn it by hand with the gears it seems to grab it and turn it fine. I see some gear teeth on the toner bottle, but don't see anything that it engages with on the machine and not sure if there is something missing or if its just for filling the bottle with toner at the factory. Wondering if the index ring can be 180 out. I see
a white mark on the bottom of the ring at about the 6 o'clock position and seems to allow me to seat toner bottle properly, but if I try to position that white mark towards the top at 12 or 1 o'clock can't seat the bottle. Really desperate on what else to do.

[JR2ALTA]

When I get that code I replace PS4 not PS28.

Regardless of what I/O says, I would do that.

Konica in all it's brilliance puts optical sensors in the toner-shit-storm section.

[EarthKmTech]

Ignore my post - i read you already did what i suggested ;)

btw, that entire unit is replaceable as a spare part if you cant figure out whats wrong with it.

also, where the toner bottle inserts there are from memory 3 loose fitting claws that grip onto 3 from memory small ribs on the toner bottle - thats all it uses to turn the bottle.

[Zeldaman]

Hi there!
I agree 100% with JR2ALTA, esp. the last sentence!!!!:mad:
Greetings...

[kalindd]

Anybody out there have any suggestions on intermittent C-2403 faults only when it tries to turn the toner bottle to add toner. I have tried everything I can think of and I'm at my wits end. Replaced the PS28 toner bottle position sensor, the toner bottle motor, the printer controller board. Both toner bottle position sensor and toner bottle in place sensor check good in service mode. When I go into service mode and try to turn on the toner bottle motor code 56-1 or 56-2 the drive index ring turns in either direction, but the bottle won't, no matter if its latched in place with spring tension from its front door, or if I try to manually hold tension on it or try to help it along. If I try to stop the index ring while its turning with hand pressure it seems as though it has a lot of positive drive. If I really bare down on it though I can get to make some gear noise and start to slip.

I've pulled the whole toner bottle drive mechanism out 3 times and have checked the gears for missing teeth or wear and everything seems fine. I've tried
2 different toner bottles thinking its something with the bottle not latching in place and holding properly. If I manually engage it outside of the machine and
turn it by hand with the gears it seems to grab it and turn it fine. I see some gear teeth on the toner bottle, but don't see anything that it engages with on the machine and not sure if there is something missing or if its just for filling the bottle with toner at the factory. Wondering if the index ring can be 180 out. I see
a white mark on the bottom of the ring at about the 6 o'clock position and seems to allow me to seat toner bottle properly, but if I try to position that white mark towards the top at 12 or 1 o'clock can't seat the bottle. Really desperate on what else to do.

Give me your email, I'll send you some tips.

[mo0651]

If you manually push in on the blue latch will the toner bottle spin? There is a spring in the latch mechanism that I have had slip off and not enough pressure was applied to bottle to keep it engaged in the drive mechanism.

[Will]

Give me your email, I'll send you some tips.


I already have several bulletins #5471, #5775, #6078, and #6496 which I've been over pretty extensively.


I've tried http://www.copytechnet.com/forums/image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAP4AAAARCAIAAAB y5oZRAAAMHElEQVRoge1a/1MTZxrnP3l38pIdZNISwEwdj8LgUBQGOOoA1ToKLUJsB+Rqgd4 I2oJOaxxJGAd6NtqGaS/VBtqFOcEztk1bYicwLmdoyZR4xpq0CU00fIkQyIZ974fdTXY3I QTEu5vWZ/JLdt/3eZ593s/7vp/ned8UhBBCNBXw2K0TJElO2H72BiiUrFAB34zHM+PbQJct7L6uZ s/MbJDm/Y3KEzDJybLPfptcU+74KJrXmKZ8dybI23bfcjwlosYI0QHX5AQ 56QrQfA32MdPIIDE0YhqP0cN1IicEnfhC+ewkSa75etPCfJr4E zbuTIJ4TrkCYV6bmHAxz6Pa6KDj5tA1q49GCKEURLkt2qZ8CQY B95OXt1z83iPWEldcg7WZEGTWEa7kwhGas3+lG54Ob7J78sJox rLVJMX7K/jJy46qBkhvHKxsiek1fo2DHt6ko38dadwBAZbWOOylY5UIGyOE KFIjx6Cc/ao4YwcUVaqv3ZGxo9yWXqWCfQUVtVrSx7c+bx86XSWHbN+sV7p Hf2Ff+40tqSLPizRkACFEkersuJ9WS3j4robu9CtzBJ9A/WJSvcz1hdmV50zu5SScSRBP1iWuTW4T4RDGyzVYmxkNF6I8RCP 8U89kGCGEUtzDrQqAQZBd0tChVr/XdiAPBxgEGft0tlCyw5wkdoMOojlfEoHjRrtvSJKAPsAgwPBi1 ah3azeAR/fMVwcJYpAgBokP2/ekQ1DWrvucfTJ0816Qt2K7iSMMwiRH+p0rMf4nhn7IPdyqALLi 5g9GzOMkSZKWf+qaS3EgK9OML9AIoaCTaFaAnLqea6Rtiryqrs 6SKo5edbP2w37ze/lAVtJ+Zcz5wGu73lubA1Nf67+/jBAK27S7gay44ZRGreZ+H5lcywihVZfpQvShWqM+dXSPDIKcI4 Y7PMAs3dUr0wRTfdGuq8FBTl3PdZv3gdOsVWZBvPLSFBuNBM4w oeDFMPq7McnOZG58s5oHnUFxGOVqkqK8w81p8spjDS+m7T7SVl +AF/Sm9JWlQ6BQGu6yMaYfjqnKIMDgC1pbGK0nG8JugFQX8eD4RCU+ 9KOmqXmn5ZIyC0IgLVDfWnqybsQgmJVlh74WBwc+InrKgbSw5/bKuh350Kd/7j+UAWWnzIu8/SJk66vKgKl/NfrDaOV2b4EUrzY42fdBh74eB3t7rQGEEAr9qC1Nx6v67CHmNb 1i7S0EGdWGn2kU9g4fw0GV1rZuYOjg1KUqiTS/8zs/LXooy5ZLo58QntK+IIVlOvsq64xddwCC8l7r4nrOJI4hP1wYBF DRSDijhCUC/XDA9S8Toa7LghDISto+vPqNLUVfJYMgvURlcgcZp+iQa/yaycJjTqtB1039mebqPdlQXlTdfFb/zV2OPImgP2M683pd7esq0wxr2mdS1R6uq+0y+RZs+uaK59MhwP Dn9x6u7TL5wnHaJ7LFNH5Lb3VOXT3fUpmLS/IOvvPJmCcuY1kP+gghFHITTWkAg9tOmuZX1w7r40jCYQv9qC1N h6UXbct2/UsZcMfZsUV6nY6x0N923PiQv0RRPusNZm9ZtevKQXq57qfIt4V t2t3ck1W7rhzI9un/HY/XBkh1UVJhCU5qKzPg9g6TP+oDvTDeXZrxXOtn/zhXFP2E1Z/6ytJhQe/kCmNw0abdD7nZldCZpKH/7BtqVRUuoD18wrPsHj7+XNbh9mNFeOl5ciGcYtfV4MzW//y+Nzv/dvn6mN3H25IRHZz+VJkFhTwhR9k3GaBRDPRjNgEPUcfuerPMki +kvKL2ydjKKNqTh8uLDr66N0+CQYDhL+kdcQYoGegzEcdgUsvb 5iTBsDELGwPEFafhCA5yWo0zdOKOcQgPhucd7vzgynXztCiBXr aoMkUbsoeoY4OwOm86+QwoUn89PqJpKpFDKMk72HGFzXyYSZVa WPFnBcvL9749YJuLwSWzdiiOEPd5K76f1FTheadMXj+p5kGf9X ZntWpg9Nb4KHG2OkuqUBocIRoldiZ56MvVpH+8u1TGoz086NNz NsO7JwfurPi/7259f9S9nCJMPthUqaL9MheF+4NKBQTwueaB6dkQohedxndLJB iU1PRNL24E+lQ8wiNsn5QtDK98n/SHEAovWM4VxCaOAs3rQJ9zL5ItbbkkGLbZsTNFEYpPe4ebUrE0 JeGmE3YUpbn0nG3g7YpIagjS8w509LH7JOUhGiHY1Wn2i74Xbx j2sm+l2XIZnne4o6tLdfxQngRjlkO0aO6UYRDsrD7zMUEQ/dq2CjmModEILd3S7JLCXd3kUgT5DGUvPmX20uxw89Ncx2BjbhR mUYUJnUmQ5kYT6yixWbh1vkwCuUklSnMFkoIQQig05xgb6VO31 xZH5kBa9ad3QzTt0O8DGASv6B0cr2CLEtLd2qnwlkI/OVu8HVygXCT/99CfN7Vv42GdnjG25ECwX2tbTNRRBH32oc9uvnb5g9NvVubiAI NAVtL5pZti8FSossxHW4qhj+GVF6xcffBX4tgzILPG4KCDDjPx 6cc3HFzayqwycOcZy2JUV/ih8TjbnntEe6+/tT2DS7KF0GcKPpLyE599a7VNWUcvnyiWwaymfscSSuwMG4pddR 3nNIL0Wt1tsHLDxl/d/aSmCgfZNXp7aD3oU4EHcxzFWQ36HZaLrykABkGphlxgK1kC2sd H8FZCf4O2tgD6/zvCQ3mHm9PirGSRnHsj0I8KTXnHL9bnQFDYaX6QkPAwaBNkAsx sxBuGvbGKmX2AX75kVqXU5pFIfYx2G1t3QUl5u25gkCAGiSua2 h1MZWbI7JgjNTkgvUz7Ized6JDtYhk7nRI7sxHCQyHEJhsymKr U351OBP1sgMHUpkE3rzC1bFE9izEg48Ch7HdFGvhMbbkQwNwe6 9au+hu09fjQZxg2Jswvt1bWGDba0V+dCbcd1nzOL9VdaMmTwu2 nzQurCPnNHbsEGyAjDATLdPZVFLb25IrgghCf4semufxskiLV2 aLMctmiehbDG666ffYxk9HseISErwTQZ3Yt/nEEMy3jMxMDGcu+mPa1hCeRM5uBPkIM7cHSqtvf2Z+xJvQ7t0M IpPntI06mwkMvOIZO5EfWwpXbvQVSCDKqeicCNEKIpu4PKFMxC Ao7zQ9jsO4eaVBAAHPUt5YR4vbEpLn+xmw9DvRpKuCxj2qVWRA CWVnPxH+5uLnq0O+XYM+0meYFjQOTPXsh2NE0/CvNTkvR6Up43vzuTo54MOkB3HVubIFf4Qk6DY1pYGeL8beY4ia jkytuihgXuwynl+t+Ctm0uwU1X3qJ7C5gaSf7ZJnU5IjAypw0R 8Wsb86FYL/GOD5h9z0Sr/qIdhpqJByJWtuZ1c1AP0J7mLPLNaDvMDSxp32S3IpXa5j6IwSQ O/sIcWde6fm1J7s6Xi+RQwik+Se+8sap8DCFagxKio92XdB2HS2W Z2ZLIuhcsmmrIMBg1sstx9v6rI9ium/I1magH/ODivpPpgLrn19sVuIOGwPxIpVlVtSamRJMzYr23zxbLINg58GO SwPGr03DX+h7WivkkOPHCKElZuzwvPozOsOI6abZOKB7rz5fgn FHRcy5Uo5SO+oMzN4z9dZlSXllb/ZtXc91m2/BN0V0FstgVuuIO4RCdn11NpS82En84AstOC1XThTL4PZ2Y/TsL+QyKMWJhFjicf3Ufae+GHMGlnzsoZVSf3dpHWfW5voadU+/dTYaZyHEWdqTAPqIXnAYe5uKs6OAkJc19dxwRABBL7rMH7ZEGg iuOYjhSAd+0DcW4uxJ9emhqS/V8gg66ZDji7/kMVOLiVoMmjdi6/Ggn118qFn192/vPUHco/jQZwojcVkWQ4TYhZmm3N/11hfgvIkqLjKKDv9F1TmEEPXLqOaV6EWGQ+dH+XcHqN9I3RuRe xB43jH9FKOcpjzfaxsK8YjdytND0/M8dxlYx/AxgYgrPDxsMOaatBZ3NC5rOpPgIoOQaYshzpysJYA+Z5m74PUg EPf2Dh2cm/F4PL/NBdc9/aECvpnIxbEYNbMznrVebsLW71/ogGuSJMkEV76iF7wi17kECijfnQmSnLD74jIGVn8c7eGAa4pcu +OmZNPObL2krN/kqTyV36M8hf5T+YPKU+g/lT+o/Ae3CC0motjv1AAAAABJRU5ErkJggg== from solutions guide 2009 on page 91.

I'm all ears for any other tips or suggestions though. Just send them to ctcopier@sbcglobal.net

[JustManuals]

This Parts & Service manual can now be purchased for $12.77 and downloaded immediately after payment from:

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Paul@justmanuals.com

[Will]

If you manually push in on the blue latch will the toner bottle spin? There is a spring in the latch mechanism that I have had slip off and not enough pressure was applied to bottle to keep it engaged in the drive mechanism.


Thanks but yes did try pushing on the blue latch with no response to make the bottle turn.

[remati]

Anybody out there have any suggestions on intermittent C-2403 faults only when it tries to turn the toner bottle to add toner. I have tried everything I can think of and I'm at my wits end. Replaced the PS28 toner bottle position sensor, the toner bottle motor, the printer controller board. Both toner bottle position sensor and toner bottle in place sensor check good in service mode. When I go into service mode and try to turn on the toner bottle motor code 56-1 or 56-2 the drive index ring turns in either direction, but the bottle won't, no matter if its latched in place with spring tension from its front door, or if I try to manually hold tension on it or try to help it along. If I try to stop the index ring while its turning with hand pressure it seems as though it has a lot of positive drive. If I really bare down on it though I can get to make some gear noise and start to slip.

I've pulled the whole toner bottle drive mechanism out 3 times and have checked the gears for missing teeth or wear and everything seems fine. I've tried
2 different toner bottles thinking its something with the bottle not latching in place and holding properly. If I manually engage it outside of the machine and
turn it by hand with the gears it seems to grab it and turn it fine. I see some gear teeth on the toner bottle, but don't see anything that it engages with on the machine and not sure if there is something missing or if its just for filling the bottle with toner at the factory. Wondering if the index ring can be 180 out. I see
a white mark on the bottom of the ring at about the 6 o'clock position and seems to allow me to seat toner bottle properly, but if I try to position that white mark towards the top at 12 or 1 o'clock can't seat the bottle. Really desperate on what else to do.

-----

A lot of times,I have had this problem,and all the times I only clean de PS 28 (toner bottle position) with a vacuum cleaner...and problem solved...

Of course you could have a damage sensor or a fault in the PRCB

good luck

[Will]

-----

A lot of times,I have had this problem,and all the times I only clean de PS 28 (toner bottle position) with a vacuum cleaner...and problem solved...

Of course you could have a damage sensor or a fault in the PRCB

good luck

Thanks, but I already replaced both PS28 and the PRCB. The sensor or PRCB I think is ok cause I can get it to turn intermittently in service mode.