Q3978-60002 printer parts diagram.

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Q3978-60002 is represented by #3 in the diagram below.

Formatter, LIU, HP jewel, and nameplate
Q3978-60002 is represented by #3 in the diagram below.
  • 1
    • 1 Q6445-60001 - Formatter board - Controls the logic and timing operation of the printer, translates the control panel input, and provides control of the scanner assembly - Does NOT include the LIU board
  • 2
    • 2 Q6500-60111 - LaserJet 3390/3392 LIU to Formatter board Flat Flexible Cable (FFC)
  • 3
    • 3 Q3977-60011 - Line interface unit (LIU) PC board - Telephone interface board for the printer
    • 3 Q3978-60002 - Line interface unit (LIU) PC board - Telephone interface board for the printer (For use in Europe)
    • 3 Q3978-60012 - Line interface unit (LIU) PC board - Telephone interface board for the printer (For use in Europe)
1
Q6445-60001 PC Board Formatter board - Controls the logic and timing operation of the printer, translates the control panel input, and provides control of the scanner assembly - Does NOT include the LIU board
2
Q6500-60111 Cable LaserJet 3390/3392 LIU to Formatter board Flat Flexible Cable (FFC)
3
Q3977-60011 PC Board Line interface unit (LIU) PC board - Telephone interface board for the printer
3
Q3978-60002 Print Server Line interface unit (LIU) PC board - Telephone interface board for the printer (For use in Europe)
3
Q3978-60012 PC Board Line interface unit (LIU) PC board - Telephone interface board for the printer (For use in Europe)
4
Q6500-40039 NamePlate Nameplate for LaserJet 3390
5
7121-8043 NamePlate HP logo (jewel)
5
7121-8363 NamePlate HP logo (jewel)
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