AL-1566 (serv.man13). Test command, fax soft switch, trouble codes - Sharp Copying Equipment Service Manual (repair manual). Page 3

AL-1556/1566  TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES  10 - 3

Main 
code

Sub 

code

Contents

Details of function/operation

1

01

Mirror scan (SCAN CHK)

[Function]
When [OK/START] key is pressed, the home position is checked and the mirror base performs full
scan at the speed of the set magnification ratio.

During operation, the set magnification ratio is displayed.

The mirror home position sensor status is displayed with the “COPY mode lamp”. (When the mirror is
in the home position, the lamp lights up.)

During operation, the copy lamp lights up.

When [C] key is pressed, if the operation is on the way, it is terminated and the machine goes to the
sub code entry standby mode.

02

Mirror home position sensor 
(MHPS) status display 
(MHP-SENSOR)

[Function]
Monitors the mirror home position sensor, and makes the "COPY mode lamp" turn on during the sen-
sor ON status.

06

Mirror scan aging (SCAN 
AGING)

[Function]
When [OK/START] key is pressed, the mirror base performs full scan at the speed of the set magnifi-
cation ratio.

During operation, the set magnification ratio is displayed.

After 3sec, the mirror base performs full scan again.

∗

When [OK/START] key is pressed once, the ready lamp remains OFF.

The mirror home position sensor status is displayed on the "COPY mode lamp." (The lamp is ON
when the mirror is in the home position.)

During aging, the copy lamp is ON.

[Operation]
The operation is similar to test command 1-01.

2

01

Single Paper Feeder (SPF) 
aging (SPF AGING)

[Function]
When [OK/START] key is pressed, the set magnification ratio is acquired and single-face document
transport is performed in the case of SPF or duplex document transport in the case of R-SPF.

However, the operating conditions don't matter and the operation is not stopped even in case of a
jam.  Also the magnification ratio is displayed on the LCD.

[Operation]
The operation is similar to test command 1-01.

02

SPF sensor status display 
(SPF SENSOR)

[Function]
The ON/OFF status of the SPF sensors can be checked with the LCD.
When a sensor is ON, the sensor name is displayed on the LCD. 

03

SPF motor operation check 
(SPF MOTOR CHK)

[Function]
When [OK/START] key is pressed, the motor rotates for 10sec at the speed corresponding to the set
magnification ratio.

[Operation]
The operation is similar to test command 1-01.

1) Initial display

2) [ZOOM]

2) [

←

]

2) [

→

]

3) [OK/START]

01-01 SCAN CHK

            - 100% +

01-01 SCAN CHK

            -  78% +

01-01 SCAN CHK

            -  99% +

01-01 SCAN CHK

            - 101% +

01-01 SCAN CHK

EXECUTING... -  78% +

1) Initial display

01-02  MHP-SENSOR

EXECUTING...

Sensor

Display item

Document set sensor

SPID

SPF document transport sensor

SPPD

SPF paper feed cover open/close sensor

SDSW

1) Initial display

2) When the sensor is ON:

02-02 SPF SENSOR

02-02 SPF SENSOR

SPID SPPD SDSW