REPAIR
27080 Issue 1 Sept 98 8--35
Jet Pump Refurbishment
Note: Tools required: Lint--free tissue to catch any escaping ink.
3mm ball driver (see step (2)).
M2.5 Screw (see step (3)).
Protective clothing (especially safety glasses).
The printer must be shut down and the cartridges removed.
(1) Remove the securing screw and pull out the ink system.
(2) Remove the three screws securing the cover to the distribution
block taking care not to lose the three ’O’ rings inside.
(3) UsinganM2.5screwfittedintotheendofthejetpumpnozzle(this
only needs tobe in by 1turn), pull out the jet pump and ’O’rings.
(4) Clean the jet pump nozzle in an ultrasonic bath.
(5) Cleantheinkmanagementblockfaceandrefitthejetpumpnozzle
and ’O’ rings (see diagram).
(6) Refit the cover.
(7) Check for leaks when the printer is started up.
Jet Pump Refurbishment
MG023_2
Securing
Screws
’O’ rings
Jet Pump Nozzle
Ink
Management
Block
Cover
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