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Estimated Delivery Time: 9-25 days

Spec.	LK1 U20 LK4 U30

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Item specifics

Brand Name Longer
Item Type Motherboard
Origin CN(Origin)
Model Number LK1/LK4 3D Printer
net weight 67.8g
Compatible Model LK1/LK4/U20/U30/U20 PLUS

Product Description

The latest Longer LK1 /LK4 Mainboard Alfawise U20/U30 Mainboard Original 3d Printer Motherboard longer3d motherboard Longer 3D
Compatible with LONGER LK1, LK4, Alfawise U20, U30. (Please note that the power contactor has been upgrade for better one and we will provide the power cable as well)

This mainboard is an upgraded one to LK1/LK4/U20/U30, but it's still fully compatible with the old LONGER LK1/ LK4 and ALFAWISE U20/U30(OEM by Longer). It has been tested by longer 3D R&D department.

We have upgraded the firmware before we send it.And you would reach our Google drive to download the latest firmware:
LK1/U20: https://drive.google.com/file/d/12DCQq-DBpGd2ScBK-RBBRjaP2_i48asK/view?usp=sharing
LK4/U30:https://drive.google.com/file/d/1FDppcRA01wQiUIhP6LDPXbvS4X_Ty1BW/view?usp=sharing

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<form action="" method="POST" name="customer_upload" enctype="multipart/form-data"> <table width="100%" border="0" cellspacing="0" cellpadding="0" class="tableStyle_1"> <input type="hidden" name="cmod" value="customer_upload_images" /> <tr> <td colspan="3"> <h2 class="margin_t pad_1em">Upload this product's photo to officematics.com</h2> </td> </tr> <tr> <td class="b g_t_r pad_r_5px">Images URL</td> <td class="g_t_l" colspan="2"><input type="file" name="images_file" class="name_win" ></td> </tr> <tr> <td> </td> <td colspan="2"><button type="submit"><span>Submit</span></button></td> </tr> </table> </form>

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login <form action="" method="POST" name="customer_upload" enctype="multipart/form-data"> <table width="100%" border="0" cellspacing="0" cellpadding="0" class="tableStyle_1"> <input type="hidden" name="cmod" value="customer_upload_videos" /> <tr> <td colspan="3"> <h2 class="margin_t pad_1em">upload this product's video to officematics.com</h2> </td> </tr> <tr> <td class="b g_t_r pad_r_5px">Videos Name</td> <td class="g_t_l" colspan="2"><input type="text" name="videos_name" class="inp name_win" ></td> </tr> <tr> <td class="b g_t_r pad_r_5px">YouTube URL</td> <td class="g_t_l" colspan="2"><input type="text" name="videos_url" class="inp name_win" ></td> </tr> <tr> <td> </td> <td colspan="2"><button type="submit"><span>Submit</span></button></td> </tr> </table> </form>

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