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HP OfficeJet Pro 7740 Printers - 'Paper Jam' Error

This document is for the HP OfficeJet Pro 7740 Wide Format All-in-One Printer.
During a print job, the printer stops feeding pages and a Paper Jam error displays on the printer control panel. This indicates that paper might be jammed inside the printer.
note:
Paper jams can be real or false. The printer might report a paper jam even when there is no jammed paper. The following steps apply to both real and false paper jams.

Step 1: Clear jammed paper from the printer

Paper jams can occur in multiple areas of the printer. If you cannot find the paper jam in one area, continue to the next area until the jam is located.
You need a flashlight to complete some of these steps.
Figure : Flashlight
Image: Flashlight
If you have checked and removed any jammed paper from each printer area and the error persists, continue to the next step.

Step 2: Clean the paper feed rollers

Dust, paper fiber, and other debris might accumulate on the paper feed rollers and cause paper jams and paper feed issues. Clean the rollers inside the printer, and then try to print again.
Gather the following materials:
  • A clean, lint-free cotton swab
  • Distilled or bottled water
      caution:
    Do not use tap water because it might contain contaminates that can damage the printhead.
If you have cleaned the rollers in each printer area and the error persists, continue to the next step.

Step 3: Reset the printer

Sometimes a paper jam error persists even though there is no jammed paper (false paper jam). Reset the printer, which might clear a false paper jam error, and then try to print again.
  1. With the printer turned on, disconnect the power cord from the printer.
  2. Unplug the power cord from the power source.
  3. Wait 60 seconds.
  4. Reconnect the power cord to a wall outlet and to the printer.
    note:
    HP recommends plugging the printer directly into a wall outlet.
Try to print. If the error persists, continue to the next step.

Step 4: Service the printer

Service or replace your HP product if the issue persists after completing all the preceding steps.
Go to Contact HP Customer Support to schedule a product repair or replacement. If you are in Asia Pacific, you will be directed to a local service center in your area.
To confirm your warranty status, go to HP Product Warranty Check. Repair fees might apply for out-of-warranty products.

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Country/Region: Flag India

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