39
The Advanced
®
Model 3250/4250 Service Manual
Use this procedure to clean and lubricate the
printer feed mechanism.
Tools needed: Nyogel 744 lubricant and
cleaning patches (Printer Maintenance Kit
FL0425).
1. Open the printer cover on the top of the
instrument. There is no need to shut off
power or remove any of the instrument
covers to perform this maintenance.
2. If paper is installed in the printer, cut the
paper between the printer mechanism and
the paper roll, then remove the paper roll.
3. Remove the paper from the printer mech-
anism by pulling it forward through the
printer mechanism. If necessary, use the
FEED key on the instrument keypad or
the printer paper feed button (A) to
advance the paper.
CAUTION: DO NOT PULL THE PAPER
BACK THROUGH THE
PRINTER. THIS WILL DAM-
AGE THE PRINTER PAPER
FEED MECHANISM.
4. Use a cleaning patch to wipe all grease
from the printer bar (B).
5. Apply three drops of Nyogel 744 evenly
across the entire printer bar.
6. Press either the FEED key on the instru-
ment keypad or the printer paper feed but-
ton to exercise the printer paper feed
mechanism 5-to-10 cycles to evenly dis-
tribute the lubricant over the printer bar.
7. Wipe the printer bar with a fresh cleaning
patch.
8. Lubricate ht printer bar a second time
with three evenly-spaced drops of Nyogel
744.
9. Press either the FEED key on the instru-
ment keypad or the printer paper feed but-
ton to exercise the printer paper feed
mechanism 5-to-10 cycles to evenly dis-
tribute the lubricant over the printer bar.
10. Reinstall the printer paper (see User’s
Guide).
11. Feed paper through the slot in the printer
cover, then close the printer cover to com-
plete maintenance.
12. Instrument is ready for use.
Cleaning and Lubricating the Printer
(Serial Suffix A - C, only)
A
B
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