Xerox WORKCENTRE 7120 Manuel de référence - Page 22

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Xerox WORKCENTRE 7120 Manuel de référence

1. General Description

4. OPERATIONS

INTRODUCTION

The operator controls, loading procedure, and unload ing

procedure for Models 7120, 7121, 7122, and 7140 are de-

scribed in this section.

OPERATOR CONTROLS (MODEL 7120)

The Model 7120 control panel consists of four switch-

indicators mounted on the front panel (see Figure 8).

Figure 8. Model 7120 Card Reader Control Panel

OPER'L/POWER

This push-on/push-off, split field, switch-indicator con-

trols ac power to the card reader. Nonillumination of the

OPER'L/POWER switch-indicator indicates ac power is not

appl ied.

When the switch is momentarily pressed, ac

power is applied and POWER is illuminated (green).

OPER'L is illuminated (white) if ac and system dc power are

on and the read station and transport mechanism are operative.

START

Operation of this momentary switch-indicator places the

card reader in the "automatic" mode and illuminates the

START indicator (white) if the unit is operational, the input

hopper is not empty, and none of the multiple stackers is full.

In addition, if a card is not present on the card read plat-

form, operation of the START switch feeds one card from the

input hopper onto the card read platform.

The indicator

is extinguished and the unit enters the "manual

mode if

any of the following conditions occurs:

The STOP switch is operated.

One or more of the output stackers are full.

The input hopper is empty.

The unit becomes not operational.

FAULT/RESET

The FAULT indicator of this split field, switch-indicator

is ill uminated (red) only when a read station faul t or transport

Operations

mechanism fault is encountered.

Transport motor power is

removed when any transport mechanism fault occurs, such as

failure to feed a card from the input hopper to the card read

platform or a card jam in the transport mechanism. Illumi-

nation of the FAULT indicator normally indicates that the

assistance of maintenance personnel is required to restore

the card reader to an operational condition.

When the card reader is in the process of reading a card,

pressing the RESET switch causes an "unusual end" condition

to be signaled to the controlling system and places the card

reader in the "manual

mode at the completion of the cur-

rent card read operation.

STOP

Operation of this momentary switch-indi cator changes the

card reader from the "automati c" mode to the" manua

mode.

The STOP indicator is illuminated (white) only while the

unit is in the "manual" mode, with the current card read

operation (if in process) being completed.

OPERATOR CONTROLS (MODELS 7121/7122/7140)

The control panels for Models 7121, 7122, and 7140 Card

Readers consist of four switches and eight indicators (see

Figures 9 and 10).

Figure 9. Models 7121/7122 Card Reader Control Panel

POWER

This control is a push-on-/push-off switch-indicator that

controls ac power to the card reader. When the switch is

pressed, ac power is appl ied and POWER is illuminated.

Nonillumination of the switch indicates that ac power is not

applied.

START

Operation of this momentary switch-indicator places the

card reader in the "automatic" mode if the unit is opera-

tional, the input hopper is not empty, and no output

stacker is full.