User's Manual

Maintenance—Chapter 3
316820 Series 80-Column Printer User’s Manual
Do the following to clean the mask spring:
1 Unlatch the print head locking tabs to release the print head, lift the
print head aside, then lift up the paper bail. Donotdetachtheprinthead
unit.
CAUTION: Never use a sharp object, such as pinchers, to clean
between the print head and the platen (rubber roller). This can
damage the mask spring and print head.
2 Remove the clear plastic paper guide that seats the mask spring, if neces-
sary. Use your fingernails to loosen the base of the paper guide, then
pull the paper guide straight up from the printer mechanism.
3 Removethemetalmaskspringfromthepaperguideandcleanwitha
quality cleaner. Replace if damaged.
4 Put the good, clean mask spring into the paper guide and install the pa-
per guide into the printer.
5 Close the paper bail, reinsert the print head, latch the two print head
locking tabs, and install the ribbon.
Print head
locking tabs
Print head
(lifted aside)
Mask spring
Paper bail (raised)