Flex Cable / Harness — This cable carries signals between the carriage or scanner head and the main board. A cracked flex cable produces faults that look like a dead head or a failed board.
This scanner cable connects the scanner unit to the main board on HP M126a printers. Fixes scanner communication errors.
For HP M126a Scanner Cable fits HP LaserJet Pro M126a, M126nw, M125a, M125nw. Not suitable for: Faults already traced to the head or the main board. Match the part number to your machine before ordering.
Updated: 2026-09-26 · Technical review for flex cable / harnesss
| Parameter | Value | Condition / method |
|---|---|---|
| Conductor | Tinned copper, OE-matched pitch and count | Visual and continuity check |
| Insulation | Polyimide flex or PVC jacket | Material spec sheet |
| Length / fold | OE-matched, folds at the original points | Fitment check |
| Continuity | 100 % continuity tested | Continuity test before packing |
| Compliance | RoHS / REACH | Supplier declaration per batch |
| Printer model | Status |
|---|---|
| HP LaserJet Pro M126a | Verified fitment |
| M126nw | Verified fitment |
| M125a | Verified fitment |
| M125nw | Verified fitment |
If your machine is not listed, send us the model and a photo of the original part — parts that look alike within the same family are frequently not interchangeable.
| Symptom | Mechanism |
|---|---|
| Head or scanner not detected | Cable is open or the connector is damaged |
| Print or scan defects that change when the carriage moves | Cable is cracked at the fold |
| Machine works briefly then fails | Intermittent conductor break |
| Visible crease or burn mark on the flex | Cable has failed |
Route the cable exactly as the original, with folds at the same points. A cable forced into a tighter radius than the original will crack within weeks.
Q: Are connectors included?
A: Yes, moulded to the original specification.
Q: What is the MOQ?
A: 100 pcs per part number.
Q: Is it continuity tested?
A: Every unit is continuity tested before packing.
Send your enquiry — quote within 12 hours
It can be. Move the carriage slowly by hand with the machine on — if the fault changes as the cable flexes, it is the cable. A fault that stays constant points to the head or the board instead.
Nearly always routing. A flex cable fitted with a tighter bend radius than the original cracks at the fold. Compare the fold points with the old part before closing the machine.
Yes. We ship by sea, air and express to North America, Europe, South America, the Middle East and South-East Asia, and we handle export documentation. Send the destination port or airport and the quantity, and we will quote FOB, CIF or DDP as you prefer.
Parts are warranted against manufacturing defects and are bench-tested on the host machine type before packing. Fitment-related claims need the part reported before installation. Send us the part number and quantity and we will state the exact term for that item in writing.
Stock items ship in 15–30 days; new tooling takes 30–45 days. We ship by sea, air and express under FOB, CIF or DDP Incoterms, and payment is T/T or L/C at sight. Give us the destination port and quantity for a firm schedule.
Yes. Custom logo, printed polybag, blister or retail box are all available, and we can tool new compounds or geometries from a drawing or sample. Minimum quantities for custom work are higher than for stock parts — send the specification and we will quote both.
Browse the full printer spare parts catalog, or see how we manufacture and test.
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