SECTION 6 Field Replaceable Parts
0855855eng 6/08 6–43
17.7.2 Fuses on Printhead Volt Board
There are two possible printhead volt boards; check part number. To
access the printhead volt board, see Section 6, Replacing the
Printhead Volt Board.
Printhead Volt II Assembly (0672622, 0553335)
Fuse (F1) GDC-5.0Amp, Time-Delay, 5 x 20mm
F1 is a time-delay fuse used to protect the High Voltage power
supply that provides strobe voltage to Printhead 1 and 2 against
accidental short or over current.
Fuses (F2 F3 GDC-2.5Amp, Time-Delay, 5 x 20mm
F2 is a time-delay fuse used to protect the attached printhead (2 and
4) reservoir and array 100 Watt heaters against accidental short or
over current.
F3 is a time-delay fuse used to protect the attached printhead (1 and
3) reservoir and array 100 Watt heaters against accidental short or
over current.
Fuses (F4 F5) S505-10.0Amp, Time-Delay, 5 x 20mm
F4 is a time-delay fuse used to protect 26VAC power to printhead
ink line 1 (ink line 3 in 5400 on second Printhead Volt Board).
F5 is a time-delay fuse used to protect 26VAC power to the
printhead ink line 2 (ink line 4 in 5400 on second Printhead Volt
Board).
Printhead Volt I Assembly (0672528, 0553266)
Fuse (F1) 2.5Amp - Printhead 2 and 4, High Voltage
Fuse (F2) 2.5Amp - Printhead 2 and 4, 115V to Heaters
Fuse (F3) 10Amp - Ink Line 2 and 4, 24VAC
Fuse (F4) 10Amp - Ink Line 1 and 3, 24VAC
Fuse (F5) 2.5Amp - Printhead 1 and 3, High Voltage
Fuse (F6) 2.5Amp - Printhead 1 and 3, 115V to Heaters
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