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description: Answers to common questions and issues faced during 3D printing / using C6
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# FAQ

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<summary>How do I recover my password ? </summary>



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<summary>Why am I not allowed to sign in ?</summary>



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<summary>How to get Repetier Server API Key</summary>

Repetier Server API key can be obtained from the manufacturer when you purchase license. Alternatively, you can find the API key in the dashboard of Repetier Server's front-end UI. It is under **Settings -> Global Settings -> Connectivity -> API Key**

Copy this API Key to connect your 3D printer to C6via C6-connect module

<img src="https://2725271476-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2Q7lAVMQdQQOQTm1U60O%2Fuploads%2F5OWS1M8RdLqxxunyxgTy%2FScreen%20Shot%202022-08-31%20at%206.26.09%20PM.png?alt=media&#x26;token=5701d471-93ba-413f-aec4-5d0da2de87c6" alt="" data-size="original">

<img src="https://2725271476-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2Q7lAVMQdQQOQTm1U60O%2Fuploads%2FBjnCuCuHKyfD87bGGGix%2FScreen%20Shot%202022-08-31%20at%206.26.46%20PM.png?alt=media&#x26;token=31578364-4d1f-41ca-853b-196733d18702" alt="" data-size="original">

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* Part slicing is taking a long time
* Using Fiber walls option, Fiber is not depositing along some perimeters
* Sliced part is missing sharp corners
* Fiber print is not tracing sharp corners correctly
* When using dual extruder, support is offset from original position when printing
* Fiber slicing, fiber is offset from original position when printing
* During fiber print, print starts a little later after print head starts moving
* During fiber print, the print ends with a fiber overlap
* During travel moves, the nozzle oozes material which creates a blob on next start point
* During nozzle switch the stand-by nozzle oozes material which creates a blob on next start of the nozzle
* Blob formation at the seam location
* Support doesn't come off the part easily
* Part print sags at the support location
* First layer doesn't stick properly to print bed
* First layer warps easily
* Printed part warps frequently
* I want to change the slicing/print parameters and compare the result with a previous print
* I want to move a print job from one project to another
* How to create an organisation
* How to share projects with other C6 users
* How to use the same print settings for all printers
* Small layers do not solidify before printing the next layer
* Print beads are thinner than required / under-extrusion
* Print beads are thicker than required / over-extrusion
* Seeing some missing layers in the sliced output
* Seeing open top and bottom surfaces
* Seeing unnecessary solid infill in corner locations
* Fiber walls are overlapping each other
* At higher speeds, Fiber gets pulled away, not sticking to print-bed or layers below
* Initial extrusion of fiber is obstructed by layer below
* I don't want fiber in certain layers
* Improve surface finish at support locations
* I don't see fiber print settings
