Sharp AL-841 Manuel d'utilisateur télécharger pdf (Page 6)

[6] MACHINE OPERATION

Machine condition

READY

LAMP

LINE

LAMP

3 GREEN

SEGMENT

LED

PRE-

HEAT

LAMP

JAM

LAMP

TONER

CERTRIDGE

REPLACE-

MENT LAMP

DRUM

CERTRIDGE

REPLACE-

MENT LAMP

Copy

lamp

NOTE

Scanner operation

Scanning cannot be

performed. (OFFLINE)

ON OFF — OFF OFF OFF OFF ON

Scanning can be

performed. (ONLINE)

ON ON — OFF OFF OFF OFF ON

During scan/preview OFF ON — OFF OFF OFF OFF ON

[7] ADJUSTMENTS, SETTING

ADJ M9

Copy lamp light quantity adjustment

∗

Location value

Range (MIN) 3.9 V

Range (MAX) 4.1 V

Standard value 4.0 V

Default 4.0 V

∗

Program used

Test command (Simulation) MODE Normal

MAIN CODE 63

SUB CODE 1

∗

Enforcement time

Enforcement

time

JOB No Content

S 004/Ua

001/

P 002

When replacing the scanner

(copy) lamp control PWB

When replacing the copy lamp

In case of E7 (05) trouble

In case of E7 (04) trouble

In case of E7 (12) trouble

In case of E7 (15) trouble

Cycle —

Condition Normal copy exposure is not

obtained.

∗

Necessary condition

1) The scanner section must be clean.

∗

Job content

1) Put an oscilloscope between the check point JP2 (VIN) on the

MCU (PCU) PWB and GND.

At that time, trigger with the SH (JP3) signal to see the waveform

correctly.

2) Execute simulation 63-1. (The copy lamp lights up in the scanner

unit home position.)

JP2 (VIN) JP3 (SH)

JP1 (GND)

– 4 –

1 2 3 4 5 6 7 8 9 10 11 ... 27 28

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Sharp AL-841 Manuel d'utilisateur Page 6

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