Preventive Maintenance

Preventive Maintenance

Moisture on the Printer

Users should use the Printer in an environment between 20% and 80% relative humidity. To recover from moisture condensation, turn the Printer Off, and, using the main roller as a reference, wait until the Printer is completely dry before using it again.

Noisy Carriage Bushing

To prevent noisy movement of the carriage, remove aluminum or dust particles from the bushing at the back of the carriage, and from the slider path along which the bushing moves. Lubricate the slider path using the Lubrification Kit (Q5669-60692).

Belt Swelling

To prevent new belts from swelling incorrectly, keep them in their bags with desiccant until you need to install them.

Cleaning the Printer

To maintain the Printer in good operating condition, keep it free of dust accumulation, ink, and other contamination. Cleaning intervals are determined by the Printer environment and by the types of Printer supplies used.

Carriage Assembly Lubrication

To ensure correct operation of the printer you must lubricate the Carriage

Assembly whenever any of the following are encountered if:

„The Front Panel displays "Maintenance #1 required".

„There is excessive noise when moving the Carriage Assembly.

„A shut down of the carriage PWM error message appears.

„There are IQ (vertical banding problems).

You should also lubricate the Carriage Assembly whenever you change any of the following service parts:

„The Carriage Rear Bushing.

„The Carriage Assembly.

„The Carriage Rail Oiler.

To lubricate the Carriage Assembly you will require the Lubrification Kit (Q5669-60692). Use the following procedure to lubricate the Carriage Assembly:

1Use the IPA alcohol (Q6675-60070) and the cleaning cloth to clean the Carriage Rail and the Carriage Slider Rod.

2Use an Oil Dispenser (Q6675-60062) to lubricate the Carriage Rail and the Carriage Slider Rod.

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HP Designjet T Series — Service Manual