DOWNLOAD Sharp AL-840 (serv.man26) Service Manual ↓ Size: 156.75 KB | Pages: 25 in PDF or view online for FREE

Pr
inter troub

le?

The printer 
prints wrong 
data or 
incorrect 
characters.

Printing is 
too slow.

The interface cable might 
not be connected properly.

Check the interface cable 
connection.

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14

4

RAM disk is used in the 
computer.

The interface cable 
specifications may be 
incorrect.

Use the interface cable included with  
the AL-840. See the parallel 
interface specifications.

Reduce the RAM disk size or do not 
use the RAM disk.

The computer may have 
insufficient random-access 
memory (RAM).

Install more random-access memory 
(RAM) in your computer.

The resolution is set to 600 
dpi.

Set the resolution to 300 dpi.

There may be too many 
applications open.

Close all unnecessary applications 
before printing.

If using Windows 3.1x, Print 
manager may be disabled.

Double-click the Printers icon in 
Control Panel and check the Use 
Print Manager box.

Copier*

2

When printing starts, the status monitor screen will appear on the computer display. The status
monitor displays the printer state and information on the current print job.
The status monitor displays the following types of messages,Normal, Warning and Fault. If an
error message appears, check the message description below and perform the listed task.

“Copier” in the column “See page:” indicates  the description is in the copier
operation manual.

The following messages indicate the current state of the printer. Since the operation is normal,
you need not take any measures.

Message 

Ready 

Spooling or Printing in progress 

Copying in progress 

The printer is idle and ready for the next print job.

A spooling or printing job is in progress.

A copying job is in progress.

*1 See the section on LOADING COPY PAPER.
*2 See the section on CONNECTING THE  INTERFACE CABLE.

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14

Pr
inter troub

le?

TD Cartridge is near Empty. 
Reorder a new cartridge and 
replace soon. 

Running out of toner. While printing can 
continue, the print quality will be affected. 
Reorder a new TD cartridge and replace it. 

Drum Cartridge is near End of 
Life. Reorder a new cartridge 
and replace soon. 

The drum cartridge is nearly spent. While 
printing can continue, the print quality will be 
affected. Reorder a new cartridge and replace 
it soon. 

Copier*

1

Copier*

1

Current job requires manual 
feeding.
Special papers such as 
transparency film, envelope, and 
labels must be fed one sheet at a 
time.

Remove the paper from the paper tray. Feed 
paper one sheet at a time in accordance with 
the message on the computer.

–

*1: See the section on SUPPLY PART NUMBERS AND STORAGE.

Drum Cartridge is at End of Life. 
Replace empty Drum Cartridge 
with a new cartridge. 

Close Front Cover. 

The drum cartridge is spent. Printing cannot 
continue until you replace the spent drum 
cartridge with a new cartridge. 

The front cover on the printer is open. 
Printing cannot continue until you close the 
cover. 

Copier*

2

–

–

Insert TD Cartridge into the 
machine

The TD cartridge is not in the printer. Insert a 
TD cartridge into the printer. 

Copier*

3

Paper Jam 

A piece of paper has misfed within the printer. 
Printing cannot continue until the misfed 
paper is removed. 

If the printer does not print, check 
the power switch and cable 
connection.
If a second computer is attached 
and printing, close this dialog box 
and reprint from your application 
after the other job is finished.

Ensure that the power switch is turned on 
and the printer cable is securely connected. If 
another computer is printing on your printer, 
close this dialog box and restart printing from 
your application after the current job is 
finished.

Copier*

4

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18

Pr
inter troub

le?

Service Error  
Switch Main Power OFF on the 
product. Wait approximately 5 
seconds. Switch Main Power 
ON. If The Product Error 
continues, Contact your 
authorized SHARP Service 
Center. 

The product has detected a fatal error 
condition and cannot continue. Make a note 
of any specific error conditions or codes. 
Then turn the product’s main power switch to 
OFF. Wait for five seconds. Then turn the 
product’s main power switch to ON. If the 
product error condition persists, please 
contact your authorized SHARP Service 
Center. 

The paper tray is out of paper or the paper did 
not feed correctly. Printing cannot continue 
until you load the paper or clear the misfeed 
in the paper tray. 

Copier*

4

Copier*

5

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Communication Error
The computer has lost 
communications with the 
products. Cancel the current 
operation, turn the product off, 
check the cable connection,  
then back on, retry the 
operation.   

The computer has lost communications with 
the product. Cancel the current operation. 
Then turn the product’s main power switch to 
OFF. Check the cable connections carefully. 
Wait five seconds, Then turn the product’s 
main power switch to ON. Try the print job 
again. If the product communications error 
condition persists, please refer to the 
Operation manual. 

–

Check Paper Tray : Out of Paper 
or Misfeed 

*2: See the section on DRUM CARTRIDGE REPLACEMENT.
*3: See the section on INSTALLING THE TD  CARTRIDGE.
*4: See the section on MISFEED REMOVAL.
*5: See the section on LOADING COPY PAPER.

If you use another GDI printer or a Windows Printing System printer, interference between
printers may occur and printing may not be performed properly.
To use another GDI printer or a Windows Printing System printer, you must change the port
setting of the printer driver using the following procedure.

If another printer does not operate properly when the AL-800 series printer
driver is set to “FILE”, uninstall the AL-800 series printer driver.
To uninstall the driver, see UNINSTALLING PRINTER DRIVER on page 22.

Pr
inter troub

le?

Click the Start button.

Select Settings and then click Printers.

Right-click the AL-800 Series icon in the printer dialog box and then click Properties.

For this description, it is assumed that the mouse is configured for right hand
operation.

Click the Details tab (Ports tab – on Windows NT4.0) in the Properties dialog box,
select FILE: in the Print to the following port list box, and click the OK button.

Right-click the icon of the printer to be used and click Properties.

Click the Details tab (Ports tab – on Windows NT4.0) in the Properties window, select
LPT1 (or the currently used port), and click the OK button.

To use the AL-800 series again, perform the same procedure but select the
port to be used (for example, LPT1) in step 4.

Double-click the Control Panel icon in the Main window of Program Manager.

Double-click the Printers icon. The Printers window will then open.

Select AL-800 Series, and then click the Connect button.

Select File from the list of options in the Ports window, and then click the OK button.

Select the new printer you would like to use from the list in the Installed Printers
window, and then click the Connect button.

Select the printer port to use for the new printer, and then click the OK button.