4.3 Opening Envelopes
Turn the letter opener ON by pressing the 'I' side of the OFF/ON switch. The envelopes will
start feeding and opening. Turn OFF the letter opener when the stack of envelopes have been
opened by releasing the OFF/ON switch. Repeat this process for each stack of envelopes; do
not attempt to add stacks of envelopes with the machine running. Do not run the machine
without envelopes in it as premature wear on the conveyor belts and hold back wheels will
result. NOTE: The feed belt bounces up and down during use to facilitate paper feed-
ing. This is normal.
5.0 Maintenance
5.1 Conveyor belts
When the letter feed becomes erratic, cleaning will be necessary to remove the coated ink,
toner, lint and other contaminants. Simply clean the feed belts with a cloth and Martin Yale
Roller Cleaner and Rejuvenator. Replace the feed belts when they will no longer feed after
cleaning.
5.2 Scrap Removal
Smooth functioning of the Martin Yale 1632 Letter Opener may require cleaning out any
accumulated scrap. Pay particular attention to the blade area. Strips of paper may wind up
behind the blades and cause trouble. Removing the deck to clean the interior may be neces-
sary. Call Martin Yale Customer Service for details. Plastic and painted surfaces may be
cleaned with a clean cloth dampened with water and/or a mild household cleanser.
6.0 Operator's Troubleshooting Guide
6.1 Envelopes jam in blade and do not exit letter opener.
Paper jamming in letter opener blades is most often caused by scrap paper interfering with the
cutting blades. Use the following steps to clear a jam:
1. Disconnect the power cord.
2. Remove blade cover by inserting a coin in the notch on top and prying it off.
3. Use the end of ballpoint pen or other similar object to gently clear the paper from the blade
area. Caution: Be very careful, as the blades are very sharp.
4. When finished, replace blade cover and run machine without envelopes. Ensure that both
blades are spinning.
6.2 Envelopes fail to feed, machine runs
Failure to feed envelopes can be caused by several different reasons; they are listed in declin-
ing order of likelihood:
1. Dirty conveyor belts. Clean with Martin Yale Rubber Roller Cleaner and Rejuvenator.
2. Envelopes are too wide to feed. Review maximum envelope sizes listed on the front cover
of these instructions.
All manuals and user guides at all-guides.com
HINT: You may find the letter opener feeds more smoothly if the
letters are fanned (see photo at left). Also, some types of envelopes
may open easier on the bottom edge rather than the top (with the
sealed flaps facing up, away from the conveyor belts).
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