HP Designjet 4520 Printer series - Manual (Page 125)

3. Open the window and apply a few drops of oil from the Maintenance Kit to the pads on either side
of the carriage.
4. Apply a few drops of oil directly to the slider rod on either side of the carriage.
5. Close the window.
Maintain the ink cartridges
During the normal lifetime of a cartridge, no specific maintenance is required. However, in order to
maintain the best print quality, you should replace a cartridge when it has reached its expiration date,
which is the date marked on the cartridge plus 6 months.
Move or store my printer
If you need to move your printer or store it for an extended period of time, you need to prepare it properly
to avoid possible damage to it. To prepare your printer, follow the instructions below.
1. Do not remove the ink cartridges, printheads or printhead cleaners.
2. Make sure that no paper is loaded.
3. Make sure that the printhead carriage is located in the service station (the right-hand end of the
printer).
4. Make sure that the front panel displays Ready.
5. Switch off the power using the Power key on the front panel.
6. Also switch off the power switch at the rear of the printer.
ENWW Maintain the ink cartridges 115
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