HP 72SI Uživatelský manuál stáhnout pdf (Strana 125)

Clean the Rail and Bearings 5-5

Rail 3. Wipe the entire length of the rail with a lint-free cloth or wipe

moistened with isopropyl alcohol.

The rail surfaces that must be clean are the surfaces that

touch the carriage bearings. These are the top surface,

including the front and back of the front lip, and the side

surface, behind the belt. Move the carriage manually or

press the Carriage key on the control panel Front Page so

you can access and clean the entire rail.

Carriage Bearings 4. From the control panel Front Page screen, press the Access

Heads key.

The carriage moves out of the service station to the access

carriage position. The bearings are on the back of the car-

riage.

There are four bearings that should be kept clean, one pair

on each end of the carriage. Each pair of bearings rolls along

the front and back of the lip on the top of the rail. If any

buildup occurs on one of these bearings, banding or other

artifacts could appear in printed output. This buildup can

range from a fine dust to visible particles.

The fifth bearing rolls along the lower edge of the rail,

behind the belt. Cleaning this bearing is not necessary, since

it usually does not get dirty.

Top of the rail

Side of the rail

(behind the belt)

Fig. 5-2. Cleaning the rail

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HP 72SI Uživatelský manuál Strana 125