Specifications

WARNING
Dangerous voltage is present at the Power Supply Board
when the printer is ON. Keep clear of the Power Supply
Board when turning the printer ON.
1. Attach the AC Power Cord and the Data Cable to the appropriate rear panel
connectors.
2. Hold in the CANCEL Key while turning the printer power ON. After the
POST, a Printer Configuration Label should print.
3. If the printer does not operate properly, turn the power OFF and recheck all
connections.
4. When proper printer operation is achieved, complete this process by
reattaching the Left Side Panel on the printer.
EPROM Software Installation
To replace the EPROMs when installing firmware enhancements, read the
instructions included in the upgrade kit. The general upgrade procedure is as
follows:
1. Turn the AC Power OFF and disconnect the Power Cord.
2. Remove the Left Side Panel of the printer by removing the screws that hold
it on.
CAUTION
The printer electronics are susceptible to static discharge. Before
proceeding, it is recommended that the technician wear an
anti-static wrist strap connected to ground inside the printer.
3. (105S 6 Dots/mm and 8 Dots/mm Only) Refer to Figure 5.17 and gently
remove the EPROMs from positions U13 and U14 on the Main Logic Board.
(105S 12 Dots/mm, 105Se and 160S Only) Refer to Figure 5.18 and gently
remove the EPROMs from positions U13 and U14 on the Main Logic Board.
4. Insert the new EPROMs with the notches pointing UP. Match the Main
Logic Board “U” position with the position specified on each EPROM label.
Make sure all pins are properly aligned before pressing the chips into place.
CAUTION
Turning the S-Series printer ON with an EPROM installed in the
wrong direction will result in permanent damage to that EPROM.
5. Before turning power ON, double-check that all EPROMs are in the proper
socket and that the notches are pointing UP.
S -Series Maintenance Manual: Volume 1 Corrective Maintenance
38452L Rev. 3 Page 5-29