Title: Genuine HP OfficeJet Pro 6978 Carriage Encoder Strip -B6P40-80004 - Clean For Sale
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Title: Genuine HP OfficeJet Pro 6978 Carriage Encoder Strip -B6P40-80004 - Clean
Price: US $10.99
Item Specifics:
Brand: HP (Original OEM)
Part Number: B6P40-80004 / B6P4080004
Type: Optical Timing Strip / Encoder Scale
Compatible Models: HP OfficeJet Pro 6978, 6960, 6968, 6970, 6975.
Condition: Used - Excellent / Crystal Clear
Professional Description
Restore pinpoint printing accuracy with this Genuine HP Encoder Strip (B6P40-80004).
Is your printer suffering from blurry text, double images, or "Carriage Jam" errors? Often, the culprit is a dirty or scratched encoder strip. This Genuine HP Part is the high-precision scale that the carriage sensor reads to determine its exact position.
Why buy this part from Tech Parts?
OEM Precision: This is the original B6P40-80004 strip, ensuring the microscopic timing marks perfectly match your printer’s firmware and sensor.
Deep Cleaned: All ink mist and paper dust have been removed. It is 100% transparent where it needs to be, preventing optical sensor failures.
Perfect Tension Points: The mounting holes at each end are intact and not stretched, allowing for the correct factory tension during installation.
Damage-Free Shipping: We understand how delicate these are. We ship them loosely coiled in a reinforced box—never folded or creased—so they arrive ready to install.
Common Problems Fixed:
Ghosting: When text looks like it has a shadow or is vibrating.
Homing Failures: The carriage slamming into the left or right side of the printer.
"Carriage Jam" Errors: When the sensor cannot read its position on the strip.
Misaligned Columns: Vertical lines that don't line up in tables or photos.