MPC 4502 Jam code 19

[Copierdocisleofman]

Hi, I have an MPC4502 that jams with jam code 19 fuser exit sensor jam. The weird thing is it only jams when the customer prints full bleed photos, and then only if the photo has a dark lead edge. You can print normal documents fine. It has recently had a fuser rebuild but it was happening before the rebuild. I'm not sure if the jam is occurring because the machine doesn't see the paper go past the sensor. Any help would be much appreciated. Cheers.

[HitMan]

Maybe try a thicker paper size setting as a load of toner could make the pages a little bit thicker? Might help. Check the fuser blades got the springs on either side and that the fuser is screwed in fully on both sides

[Ruta56c]

Re: MPC 4502 Jam code 19

Most probably you a right - there is a photo reflection sensor in paper exit unit, seems it does not detect lead or trail edge of paper when there is image.

Haven't you update firmware? often such types of problems can be solved by software updating. Also you can try to clean/replace the sensor (AW010147 PHOTO REFLECTION SENSOR)

[Coptech]

Re: MPC 4502 Jam code 19

There is a plate on top of the fuser at the exit. It is spring loaded, held on by two shouldered screws and has the two spring steel snap on plates that move it. It is designed to close and help retain fuser heat during idle to give a better TEC (total energy consumption) rating. It is a design joke. Take that plate off and see if it still jams. Some machines seem to be more prone to problems with that gate but it is a very easy try. It really serves no real purpose anyway.

[davel]

Re: MPC 4502 Jam code 19

Do you have the reccomended lead edge margin, if yes replace the sensor.

[slimslob]

Re: MPC 4502 Jam code 19

The weird thing is it only jams when the customer prints full bleed photos, and then only if the photo has a dark lead edge. You can print normal documents fine.

The lead edge is trying to stick to the surface of the fusing sleeve and the stripper plate is not able to release it quickly enough. Try increasing the lead edge void setting.

If the stripper plate was not replaced when the fusing unit was rebuilt, replace it with a new one now. Do not clean it as that will remove its Teflon coating and make matters worse.

[Phil B.]

Re: MPC 4502 Jam code 19

Hi, I have an MPC4502 that jams with jam code 19 fuser exit sensor jam. The weird thing is it only jams when the customer prints full bleed photos, and then only if the photo has a dark lead edge. You can print normal documents fine. It has recently had a fuser rebuild but it was happening before the rebuild. I'm not sure if the jam is occurring because the machine doesn't see the paper go past the sensor. Any help would be much appreciated. Cheers.

Is there a white border on the page? if not maybe the paper is sticking just long enuff to the hot roll causing the jam. most time it would wrap on the hot roller.

[Copierdocisleofman]

Re: MPC 4502 Jam code 19

Thanks for all the replies, I have already increased the margin to no avail. Might try taking off gate as suggested, I agree I can't see what real purpose it has. I also have the fuser exit guide on order as that's what it seems to be crashing into.

[TonerMunkeh]

Re: MPC 4502 Jam code 19

Bearing in mind these things are an office black to colour MFP, they should only rarely (never) do full bleed colour, especially duplexed. Change the fusing exit guide, exit motor and use Thick 3 for the print setting regardless of what you're feeding through it.

The motor was a modified part a while back.

[COPIERMAN]

Re: MPC 4502 Jam code 19

I had a older color copier that had a problem with full bleed. We told customer to use the LTR R or letter paper running long way in cassette. It give paper a longer lead edge void no more jamming.

[aktasson]

Re: MPC 4502 Jam code 19

I had a similar problem with a apollon mpc5000. Machine jams at full-coverage printing.
So I had solved it in my case with: SP 2103-1 to 4,2 & Printer SP 1001 bit 7 (1 enable).
**Printer SP 1001 bit 7: [RPCS,PCL]: Printable area frame border, 0: Disable, 1: Enable
Enable: The machine prints all RPCS and PCL jobs with a border on the edges of the
printable area.**
But this must still be checked and adjusted first (check the sm for default values) ---> 2103 from 001 to 010[Erase Margin Adjustment]

[Copierdocisleofman]

Re: MPC 4502 Jam code 19

Bearing in mind these things are an office black to colour MFP, they should only rarely (never) do full bleed colour, especially duplexed. Change the fusing exit guide, exit motor and use Thick 3 for the print setting regardless of what you're feeding through it.

The motor was a modified part a while back.

Setting the paper tray on thick paper 2 setting worked, the only issue is that they can't do duplex as the "thickness" of the paper disables duplex. I don't understand how Ricoh can put engineers and end users in such a terrible situation. The only way to get this machine to print full colour pictures(It won't even print one) is to set the paper tray to a thick setting, which slows the machine down and disables duplex. This is the reason I prefer to work on Canons, they know how to make a fuser! I will check the firmware levels etc but I would have thought there might have been a tech bulletin on this issue if so many people have had it.

[sturmtrooper]

Re: MPC 4502 Jam code 19

Setting the paper tray on thick paper 2 setting worked, the only issue is that they can't do duplex as the "thickness" of the paper disables duplex. I don't understand how Ricoh can put engineers and end users in such a terrible situation. The only way to get this machine to print full colour pictures(It won't even print one) is to set the paper tray to a thick setting, which slows the machine down and disables duplex. This is the reason I prefer to work on Canons, they know how to make a fuser! I will check the firmware levels etc but I would have thought there might have been a tech bulletin on this issue if so many people have had it.

Complaining that an office color machine doesn't have production features is like complaining your car doesn't fly. Having said that the newest version of this machine does have a higher paper weight tolerance for duplex. It's still not really designed for a lot of full bleed printing.

Hi, I have an MPC4502 that jams with jam code 19 fuser exit sensor jam. The weird thing is it only jams when the customer prints full bleed photos, and then only if the photo has a dark lead edge. You can print normal documents fine. It has recently had a fuser rebuild but it was happening before the rebuild. I'm not sure if the jam is occurring because the machine doesn't see the paper go past the sensor. Any help would be much appreciated. Cheers.

Have them try printing on oversize paper and see if it jams still. If not then it's probably too much toner close to the edge of the paper. Unless they are already at max paper size they can print on larger paper then cut it down which will give them a true full bleed look.

[Copierdocisleofman]

Re: MPC 4502 Jam code 19

What production features am I asking for? My client just wants to be able to print the odd photo without the piece of sh*te jamming. It needs a new fuser film because when it's been jamming the client has crinkled the fuser film, which is the second one in a few weeks. I am going to have another look at the jamming issue then, but in the meantime it is working ok on thick paper setting on the paper tray. The lead edge is at 5mm, surely that's ample to stop it from jamming, the page gets about 20mm out of the nip before it jams.

[slimslob]

Re: MPC 4502 Jam code 19

What production features am I asking for? My client just wants to be able to print the odd photo without the piece of sh*te jamming. It needs a new fuser film because when it's been jamming the client has crinkled the fuser film, which is the second one in a few weeks. I am going to have another look at the jamming issue then, but in the meantime it is working ok on thick paper setting on the paper tray. The lead edge is at 5mm, surely that's ample to stop it from jamming, the page gets about 20mm out of the nip before it jams.

Full bleed color is the production feature. 5mm lead edge is not enough to fully release a full bleed copy in time to get to the fusing exit sensor before a is detected. It is not just the lead edge that is sticking, it is the entire document.