Compatible Model :- Samsung Pro Xpress SL-M3320nd / M3370fd / M3820nd / M3870fd / M3870fw / ML-3310nd / ML-3710nd / ML-3310d / M4020nd / SCX-4833 / SCX-4020nd / SCX-4030nd / SCX-4835fd Laser Printer
Samsung Pro Xpress SL-M3320 / M3370 / M3820 / M3870 / M3870 / ML3310 / ML3710 / M4020 / SCX4833 / SCX4020 / SCX4030 / SCX4835 Laser Printer
Samsung Pro Xpress SL-3320nd / 3370fd / 3820nd / 3870fd / 3870fw / 3310nd / ML3710nd / ML3310d / 4020nd / 4833 / 4020nd / 4030nd / 4835fd Laser Printer
Samsung Pro Xpress 3320 / 3370 / 3820 / 3870 / 3870 / 3310 / 3710 / 3310 / 4020 / 4833 / 4020 / 4030 / 4835 Laser Printer
Part Condition :- New Import
Part Warranty:- No Replacement - No Warranty - Non Returnable Item
The "Data Nerve" of Your Laser Printer
while the power cord turns the machine on, this high-speed flexible ribbon cable carries the exact digital blueprint of your document to the laser unit. If this wire has even a single microscopic scratch or loose pin, the printer's laser won't know where to shoot, leaving you with completely blank pages or critical system errors.
What It Does (In Simple Words)
This flat flexible cable (FFC) handles high-frequency data transmission to coordinate laser timing and mirror rotation speed.
Common Signs Your Laser Unit Cable Needs Replacing
Since this cable connects components that handle high-voltage operations and fast-spinning motors, loose connections or internal track damage can cause total machine failure. Look for a replacement if you experience these problems:
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Continuous "Error 51" or "Error 52" Codes: The printer completely locks up and flashes laser errors (like HP's famous Beam Detect Error or Scanner Motor Error) because the brain cannot talk to the laser.
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100% Blank Pages (White Prints): The printer initializes, the gears turn, and the cartridge is full, but the paper comes out completely white. A broken Laser Unit Cable stops the laser from firing altogether.
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Frequent Print Postponed / Timing Errors: The printer starts to print, pauses randomly for a long time, and throws a data transmission error midway through a job.
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Faint or Misaligned Text: If the data tracks inside the LSU Scanner Cable are partially shorted, it can cause text to look distorted, split, or shifted on the paper.
⚠️Critical Buying Checklist for Wholesale & Retail Customers:
LSU Cables are highly model-specific! They look like regular scanner cables, but they have unique specifications:
1. Pin Count: You must check if it is a 10-pin, 12-pin, 14-pin, or 20-pin cable.
2. Pitch Size: The spacing between the gold pins (e.g., 0.5mm or 1.0mm) must match exactly.
3. Side Direction: Check if the pins on both ends face the same way (Same-Side/Type A) or opposite ways (Reverse-Side/Type B).
Think of the Laser Scanner Unit Cable (commonly known as the LSU Scanner Cable or Laser Unit Cable) as the critical optic nerve connecting the printer's main brain (logic board) to its laser projection engine.
Why Buy From Us?
We are a leading direct importer and wholesale supplier of high-grade Lower Scanner Unit Cables and Imaging Unit Cables for all major printer brands. Every batch of our imported FFC cables comes with premium electromagnetic shielding (EMI protection) to prevent data distortion, ensuring your laser fires with perfect micro-second accuracy for crisp, professional prints. Before dispatch, each cable is strictly 100% warehouse-tested by our team to guarantee zero-defect performance
