8–1
Routine Service & Diagnostics
CHAPTER 8ROUTINE SERVICE & DIAGNOSTICS
Introduction
The
printer requires no maintenance beyond regular general cleaning. Periodically remove excess pa
-
per
chaf
f and dust from the ribbon and paper paths. If print quality or paper motion deteriorates seri
-
ously, contact your authorized service representative for prompt attention.
This chapter presents the following routine service and diagnostic information:
•
General Cleaning
Page 8–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
•Printer Self–Tests Page 8–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
•Hex Code Printout Page 8–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
•
Fault Messages
Page 8–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

General Cleaning

The
printer requires periodic cleaning to ensure ef
ficient
operation and clear print quality
. Clean the
printer
approximately every three months or after 250 hours of operation. If the printer is located in a
particularly
dusty area,
or is used for heavy duty printing, a shorter cleaning interval is recommended.
The following cleaning procedures are applicable for pedestal and floor cabinet model printers.
WARNING
Disconnect the power source before cleaning the printer.

WARNUNG

Vor dem Säubern des Druckers ist die Netzverbindung zu unterbrechen.

Exterior Cleaning

Clean
the cabinet exterior with a
soft, lint–free cloth and mild deter
gent. (Dishwashing liquid works
well.) Do not use abrasive powders or strong cleaning agents. Clean the clear windows with plain
water
or mild window cleaner
. Always apply the
cleaning solution to the cloth; never pour the cleaner
directly onto the printer
. V
acuum the ventilation slots at the rear of the printer cabinet.

Interior Cleaning

Paper
chaf
f and ink accumulation inside the printer is normal during printer operation. However
, ex
-
cessive
paper chaf
f and ink accumulation can degrade printer performance and print quality
. Most pa
-
per chaff accumulates around the ends of the platen and ribbon path.