3840 Series FAQs

Models 3810, 3810S, 3812, 3840, 3840E, 3840EM, 3840EP, 3842,
3910, 3910IS, 3940, 3940IP


  Setup Information
Setting up your new printer.
How do I set the Security Features?
Why would I need to reset the printer to Factory Default values and how do I do it?
How do I change Font Style and Print Quality?

  User Information
What are the printer specifications?
How do I print the status report?
Why would I need to print the settings stored in the printer's programmable formats, and how do I do it?
Does the printer require any user maintenance?
What Consumables, Accessories, and Upgrade are available for the 3840 Series printers?
How do I install Ribbons and Printheads?
What are the paper specifications (copies, size, paths, slew speed, loading)?
What are the parallel interface specifications?

  Application Information
Why do I get a form printed, then a blank form, then a form printed, . . .?
Why is text following a barcode not printed on the same line as the barcode?
I need to use the Windows Generic/Text driver. Can I still select front and rear paths on the 3840?
When I send a text job from a Windows application, why does it print so slow?

  Host Communications
How do I select an interface?
How can I connect the printer to a network?
What are the Serial Interface specifications?
How do I set the Serial Interface Baudrate, Bits per Character, Parity, Busy and Fault Handling?
I am having problems printing with the Serial Interface.
The printer worked OK until I connected it to a faster PC. Now when printing long jobs, the host application times out.
Why does a 3910/3940 printer display "65 No Interface"? With this displayed, I can't select the printer's parallel interface.

  Trouble Shooting

Some trouble shooting procedures require exposing electrical parts and measuring electrical signals, checking moving parts, and/or replacing electrical and mechanical parts. Do NOT attempt any of these procedures if you are not an authorized service agent.
Why is the print not starting at the top of the form?
Why does printing starts off barely legible then get better?
On a 3910/3940, what does the LED on the PACT board indicate?

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