Disconnecting The Engine Checker; Using The Control Panel - Printronix L5535 Maintenance Manual

Disconnecting The Engine Checker

CAUTION
Be sure printer power is off before disconnecting the engine checker
from the printer.
Use the following procedure to disconnect the engine checker from the
printer:
1. Turn off the printer power.
2. Refer to Figure II–46 on page II–322 and set MC board rotary switch SW1
3. Disconnect the engine checker harness connectors from MC board
4. Refer to Figure II–45 on page II–321 and reconnect the ribbon cables
5. If necessary, replace the printer covers and the access panel on the left

Using The Control Panel

The engine checker control panel is equipped with a message display,
indicators and keys, as shown in Figure II–47.
Ready Indicator High-Level Indicator Low-Level Indicator
START STOP
Indicators
•
•
•
to the "Normal Operating Position," position 0.
connectors CN2 and CN7.
inside the printer to MC board connectors CN2 and CN7.
rear printer cover.
BASIC MENU
DEVICE CHECK, VOLUME
Figure II–47. Engine Checker Control Panel
Ready indicator — Lights to indicate that the engine checker is ready to
operate.
High-level indicator (green) — Lights when I/O signals are at a high level.
Low-level indicator (red) — Lights when I/O signals are at a low level.
0 1 2 3
5
6 8
7
BS
4
ENTER
9
II–323