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Encoder strip is the transparent strip which behind the cartridges carrier
A: Encoder strip (semi-transparent gray strip) B: Carrier belt (black and brown toothed belt)
Please open the cover and check if the carriers is coming to the center ,if not gently pull the cart carrier to the center and then power on the printer , be carefully with encoder if its damaged then you cannot use the printer...
Service error 5100 is a carriage error. Be certain that the strip is remove from the cartridges. Check
the timing strip for contamination (plastic strip about 1/4" in width) Check for obstructions. Check
inside your printer through the gears that you can see under the lid. There
should be something obstructing the gears such as dirt.
There could be paper caught underneath the rollers. Check VERY thoroughly.
Please follow the instructions given below:
1. Disconnect the USB cable and the printer power cable.
2. Please disconnect the power supply from the back of the printer.
3. Then remove the cartridges from the printer.
4. Please reconnect the power supply back and turn on the printer.
5. If lights are blinking then printer encoder strip is most likely the
problem. Unplug the power from the printer. Open the front cover and move the
cartridge carrier to the center. You should see a white ribbon cable, a thin
plastic strip and a black belt with teeth.
6. The thin plastic strip is the encoder strip. It rides in a sensor on the
back of the cartridge carrier that you will not be able to see. Reach in with
the first finger of either hand and carefully strum the strip as if playing a
7. The strip will need to be lowered slightly and brought towards you
slightly. Please be careful not to break the strip or your printer will not
function. Once you believe the strip is set correctly, plug the power back and
let us know if the lights are still blinking.
8. If you cannot repair the strip, please let us know so that we can assist
Please Note: Fixing the encoder strip is a delicate procedure. During the
troubleshooting, if the strip breaks, you will not be able to use the printer.
9. However, if lights are not blinking then try inserting one cartridge at a
time and check if you can see any lights blinking. If light blinks with one
cartridge then that cartridge is defective.
CAUSE: my guess would be a stripped gear or a lack of prssure on the "pinch wheel" which would cause a loss of traction on the paper feeder.
SOLUTION: 1- change the stripped gear (if it's stripped)
2- add a layer of adhesive tape on the loose pinch wheel (if it's loose)
both solutions require to open case (to access loose wheel or stripped gear). To determin what the probleme is, try to run a print and try to move or pull gently on the lable ribon while in function. Two possible outcomes are that the gear will only "hook" in some areas if it's stripped. If it's loose the paper will only move while pulling on it.
there could be three reasons for this problem
1)the printer cover is not properly closed.
2)either any of the cartridge is faulty.
3)or there is literally the paper jam in the printer.so at the back of the printer there is a assess door just remove that door and you can see inside any paper jam.also look for any minute tiny pieces of paper blocking the gears to forward and it shows paper jam.