DOWNLOAD Sharp AL-800 (serv.man5) Service Manual ↓ Size: 1007.41 KB | Pages: 23 in PDF or view online for FREE

This machine has the following operation modes.

Mode

Content

Copy mode

During the coy mode, print data is received but not accepted. After completion of copying, print is
automatically performed.

Print mode

Laser image data from the host is printed.

Power save mode

There are the pre-heat mode and the power shut down mode. In the pre-heat mode, fusing temperature is
lowered. In the power shut down mode, all the sections excluding the control circuit are stopped.

Test command (Simulation)

This mode is used for servicing (various setting, adjustments, and checking of the operations).

User program mode

Used to set the operating specifications according to user’s need. 

There are following machine status, and the operation and display are made for each status.

Machine status

Machine condition

READY

LAMP

ON

LINE

LAMP

3 GREEN

7

SEGMENT

LED

PRE-

HEAT
LAMP

JAM

LAMP

TONER

CERTRIDGE

REPLACE-

MENT LAMP

DRUM

CERTRIDGE

REPLACE-

MENT LAMP

Copy

lamp

NOTE

Warm up

Warming up and initializing
are performed in the fusing
section, the image process
section, the scanner
section, and the electrical
circuits. 

OFF

—

—

—

—

—

—

ON

READY

ONLINE

Print image is received
and printing is allowed.

ON

ON

—

—

OFF

OFF

OFF

ON

Press the clear key twice
to enter the online mode.

OFFLINE

Only copying is allowed.
(Printing is inhibited.)

ON

OFF

—

—

OFF

OFF

OFF

ON

BUSY

Copying

OFF

OFF

—

—

—

—

—

ON

Interruption inhibited.

Printing

ON

ON

Power
save

Pre-heat
mode

The fusing temperature is
lowered to reduce power
consumption.

ON

ON

—

ON

—

—

—

OFF

When any key is pressed,
warming up is started.

Power
shut
down
mode

Conduction to the loads
other than electrical
circuits is inhibited,
excluding the heater lamp
and the copy lamp.

OFF

ON

OFF

ON

OFF

OFF

OFF

OFF

All lamps except for
READY indicator are
turned OFF. When any key
is pressed, warming up is
started.

Machine
trouble

The machine operation
cannot continue operation,
and copying or printing is
forcibly stopped.
(Conduction is stopped
excluding the display
section.) The error code is
displayed and the error
lamp is lighted.

OFF

OFF

The error

code is

displayed.

—

—

—

—

OFF

Requires repair work by a
serviceman.

Paper jam

OFF

OFF

—

ON

BLINK

—

—

OFF

Mis-feed

Paper is not fed in the
paper feed section.

OFF

OFF

P-

BLINKING

—

OFF

—

—

—

The 3 green 7 segment
LED displays blink "P."

Consumable part
empty

Photoconductor cartridge
life (20K) over

OFF

OFF

—

—

—

—

BLINK

OFF

When the life is reached
during copying or printing,
the job is completed then
the machine is stopped.

Photoconductor cartridge
life (19K) near

ON

ON

—

—

—

—

ON

—

Toner empty

OFF

OFF

—

—

—

ON

—

—

The machine operation is
not stopped.

Paper empty

OFF

OFF

P-

BLINKING

—

—

—

—

—

The input tray indicator
blinks, 3 green 7 segment
LED displays blink "P."

Print data received
from the host

ON

ON

—

—

—

—

—

ON

Interrupt copy during
printing

ON/

OFF

BLINK

—

—

—

—

—

ON

6 – 1

The power save mode is of two steps: the pre-heat mode and the power shut down mode. When the time set by user program 2 or 3 is passed from
the non-operation state, the machine enters the pre-heat mode and the power shut down mode. 

Machine condition

READY LAMP

OTHER

LAMPS & LEDS

FUSING

SECTION

CONTROL

FAN

Copy lamp

Other load

Ready (Machine idle)

ON

Current state

indicated

(No change)

160°C

ON

ON

Normal

operation

Power save

Pre-heat mode

ON

Current state

indicated

(No change)

80°C

ON

OFF

OFF

Power shut
down mode

OFF

OFF

OFF

OFF

OFF

OFF

When consumable parts life is approached, a warning display is made. When the photoconductor drum life is reached, the machine is forcibly
stopped.

Machine condition

READY

LAMP

3 GREEN 7

SEGMENT

LED

TONER

CARTRIDGE

REPLACEMENT 

LAMP

DRUM

CARTRIDGE

REPLACEMENT 

LAMP

NOTE

Consumable 
part empty

Photoconductor 
cartridge life
(20K) over

OFF

—

—

BLINK

When the life is reached during copying or
printing, the job is completed and then the
machine is stopped.

Photoconductor 
cartridge life
(19K) near

ON

—

—

ON

Toner empty

ON

—

ON/BLINK

—

The machine operation is not stopped.
(However, the print density is lowered.)

Paper empty

OFF

P-BLINKING

—

—

3 GREEN 7 SEGMENT LED show "P."

In the ON LINE mode, the ON LINE lamp lights up to show that the
machine is ready for receiving print data from the host.
During copying, the machine is in the OFF line mode and the ON
LINE lamp goes off.
During printing, when copy interruption is made, printing is interrupted
and the ON LINE lamp blinks.
When a certain time passes after completion of copying, the machine
go back to the ON LINE mode and printing is resumed.
In any case, copying takes priority over printing.
The timing to going back to the ON LINE mode after completion of
copying can be set by the user program.
When the clear key is pressed twice, the machine goes into the ON
LINE mode immediately.

This machine is designed to detect only the following two sizes:
Max. paper size and Min. paper size shown in the table below. 
Imaging (main scanning direction void area and image length) is
performed according to the paper size the machine detects, There-
fore, if the SIM 26-6 set value is not matched with the paper
specification, the image position on the paper is shifted to cause a
trouble. 

Destination code

Detectable paper size

Set value

Destination Paper type

Paper width
detector ON

(Max. paper size)

Paper width

detector OFF

(Min. paper size)

0

Inch series

11 

×

 8.5/14 

×

 8.5

8.5 

×

 5.5/8.5 

×

 5.5

1

EX Japan

AB series

A4 (210 

×

 356mm)

A5

2

Japan

AB series

A4 (210 

×

 356mm)

B5

The copy conditions can be set after turning on the power or during
resume operation from the energy save mode. Pressing the start key
allows copy reservation. After making a copy reservation, when the
copier warmup is completed, copy is started. 

Once a copy reservation is made, the copy conditions cannot be
canceled unless the clear key is pressed.

Select the PHOTO mode with the copy mode select key, press and
hold the key for 5 sec, and the mode display will change from
PHOTO to AUTO blinking and the currently adjusted level will be
displayed on the exposure level display. 

Under this state, operate the density adjustment key to adjust the
auto density level. When the auto density level is adjusted, the
manual and the photo density levels are also shifted accordingly. 

When the copy mode select key is pressed after adjustment, the
mode display changes from blinking to lighting. Then the density level
setting is completed.

1) Press the copy mode select key several times to light the photo

lamp

1 3 5

AUTO

MANUAL

PHOTO

6 – 2

2) Keep pressing the copy mode select key again for 5 sec, and the

AUTO lamp will blink and the density adjustment display lamp will
light up. 

3) Press the copy density adjustment key to adjust the density level.

To make darker copy, press

key.

To make lighter copy, press

key.

When the intermediate value (2, 4) is set, the two lamps will light
up simultaneously. 

4) Press the copy mode select key to terminate the setting. 

The density adjustment lamp goes off and the AUTO lamp turns
ON from blinking. 

Select MANUAL with the copy mode select key and press and hold
the key again for 5 sec. The mode display will change from MANUAL
to PHOTO blinking, and the currently set condition will be displayed in
the exposure level. Under this state, operate the density adjustment
key to set or cancel the toner save mode.

Press the left key: Level display "1" ON Toner save mode is set. 

Press the write key: Level display "5" ON. Toner save mode is
canceled.

After adjustment, press the copy mode select key, and the mode
display will change from blinking to lighting. The setup is completed. 

*

The toner save mode is applicable to the auto and the manual
copy mode. 

1) Press the copy mode select key to light the manual lamp.

2) Keep pressing the copy mode select key again for 5 sec, and the

PHOTO lamp will blinks and the density adjustment lamp of "5"
will light up.  

3) Press the copy density adjustment key (

) once. 

To cancel the toner save mode, press the density adjustment key
(

) to light the lamp of "5."

4) Press the copy mode select key, then copying is allowed.

The controller in the printer detects and selects the interface which
receives a signal earliest. While, on the other hand, the interface is
being used by printing, the interface on other side is busy. When
printing is completed, the busy interface returns to the ready state. 

Job process (Host side)

Interface state

Process

Ready

Busy

The job is canceled and the error message
appears on the screen.

A void area is provided in the main scanning direction and in the sub
scanning direction to prevent against dirt on the transfer roller by
toner.

When the clear key is kept pressing for 5 sec or more, the total copy
(print) counter value is displayed.

1 3 5

AUTO

MANUAL

PHOTO

1 3 5

AUTO

MANUAL

PHOTO

1 3 5

AUTO

MANUAL

PHOTO

1 3 5

AUTO

MANUAL

PHOTO

1 3 5

AUTO

MANUAL

PHOTO

AUTO

MANUAL

PHOTO

1 3 5

6 – 3

2) Keep pressing the copy mode select key again for 5 sec, and the

AUTO lamp will blink and the density adjustment display lamp will
light up. 

3) Press the copy density adjustment key to adjust the density level.

To make darker copy, press

key.

To make lighter copy, press

key.

When the intermediate value (2, 4) is set, the two lamps will light
up simultaneously. 

4) Press the copy mode select key to terminate the setting. 

The density adjustment lamp goes off and the AUTO lamp turns
ON from blinking. 

Select MANUAL with the copy mode select key and press and hold
the key again for 5 sec. The mode display will change from MANUAL
to PHOTO blinking, and the currently set condition will be displayed in
the exposure level. Under this state, operate the density adjustment
key to set or cancel the toner save mode.

Press the left key: Level display "1" ON Toner save mode is set. 

Press the write key: Level display "5" ON. Toner save mode is
canceled.

After adjustment, press the copy mode select key, and the mode
display will change from blinking to lighting. The setup is completed. 

*

The toner save mode is applicable to the auto and the manual
copy mode. 

1) Press the copy mode select key to light the manual lamp.

2) Keep pressing the copy mode select key again for 5 sec, and the

PHOTO lamp will blinks and the density adjustment lamp of "5"
will light up.  

3) Press the copy density adjustment key (

) once. 

To cancel the toner save mode, press the density adjustment key
(

) to light the lamp of "5."

4) Press the copy mode select key, then copying is allowed.

The controller in the printer detects and selects the interface which
receives a signal earliest. While, on the other hand, the interface is
being used by printing, the interface on other side is busy. When
printing is completed, the busy interface returns to the ready state. 

Job process (Host side)

Interface state

Process

Ready

Busy

The job is canceled and the error message
appears on the screen.

A void area is provided in the main scanning direction and in the sub
scanning direction to prevent against dirt on the transfer roller by
toner.

When the clear key is kept pressing for 5 sec or more, the total copy
(print) counter value is displayed.

1 3 5

AUTO

MANUAL

PHOTO

1 3 5

AUTO

MANUAL

PHOTO

1 3 5

AUTO

MANUAL

PHOTO

1 3 5

AUTO

MANUAL

PHOTO

1 3 5

AUTO

MANUAL

PHOTO

AUTO

MANUAL

PHOTO

1 3 5

6 – 3