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Maintenance 3-24
NovaJet 800 Series Service Manual
Images CD and refer to 'Demonstration Print' for proper
procedures.
Alignments/Adjustments
The ENCAD NovaJet 850 printers are designed with a minimum of
maintenance requirements in mind. Calibrations include: color calibration,
deadband alignment, and X-axis calibration. The mechanical adjustment
requirements include the slide shaft profile and cartridge head height
adjustments. They do not require any electrical alignments.
Slide Shaft Profile Adjustment
The NovaJet 850 printers Slide Shaft height is factory set and is firmly
mounted on the outer sides and only has adjustments in the middle portion
of the shaft, to remove any bowing of the shaft’s profile. The following
procedure is to ensure that the Slide Shaft is relatively perpendicular to
the surface of the Platen and to remove any bowing that may be present
in the shaft’s profile.
The Slide Shaft is set to 1.418” (36cm) from the top of the Slide Shaft to
the Platen surface for the NovaJet 850 printer. The normal operating
range for the height of the Slide Shaft is between 1.390” (35.3cm) to
1.440” (36.6cm).
You will need the following:
· Height Gauge Kit Assembly (P/N 209996)
· 1/4" open and box end wrench (.110” thick)
· Head Height Alignment Plate (provided with the NJ850 Service
Training Kit or in the Service CE Kit)
Height Gauge (Alignment) Kit Contents are:
Dial Gauge Micrometer
Modified Novajet Cartridge for newer products
Modified Novajet 4/Pro/Pro 50 Cartridge - Not Used
Platen/Carriage Shaft Mounting Block