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carriage jam error

HP Recommended
hp designjet t520
Microsoft Windows 7 (32-bit)

recently we have carriage jam error. but there is no paper jam we checked that. i think there is a problem with printing head. how to resolve that. we are in urgent. help us

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HP Recommended

I seen this error on DJ500, Z3100, Z3200 & caused by :


worn out belt

belt's tension  ( twisted wrong direction also )

encorder strip on dj500/800   (   on right side where it entered  through bracket not properly )
my last repair on Z3100 44"    scan axis motor   (   right side above service station )


You have to open the covers & carefully look at the carriage box movements & see where exactly it stop, sound

& error come up.


for reference only & I do not have your model.

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