Sharp ML-4550 Common Linux problems, Common Macintosh problems, Installable Options section to

Condition

Possible cause

Suggested solutions

A PostScript

Print job may

Make sure that the print job is a

error page

not be

PostScript job. Check to see

prints.

PostScript.

whether the software

application expected a setup or

PostScript header file to be sent

to the printer.

The optional

The printer

Open the PostScript driver

tray 2 (tray 3 or

driver has not

properties, select the Device

tray 4) is not

been

Settings tab, and set the Tray2

selected in the

configured to

(Tray3 or Tray4) option of the

driver.

recognize the

Installable Options section to

optional tray 2

Installed.

(tray 3 or tray

4).

When print a

The resolution

Make sure that the resolution

document in

setting in the

setting in your printer driver

Macintosh with

printer driver

matches that in Acrobat

Acrobat Reader

may not be

Reader.

6.0 or higher,

matched with

colors print

that in Acrobat

incorrectly.

Reader.

Common Linux problems

Condition

Suggested solutions

• Check if the printer driver is installed in your

system. Open Unified Driver Configurator

and switch to the Printers tab in Printers

configuration window to look at the list of

available printers. Make sure that your

machine is displayed on the list. If not,

please, invoke Add new printer wizard to set

The printer doesn’t

up your device.

• Check if the printer is started. Open Printers

print.

configuration and select your machine on

the printers list. Look at the description in

the Selected printer pane. If its status

contains “(stopped)” string, please, press

the OK button. After that normal operation

of the printer should be restored. The

"stopped" status might be activated when

some problems in printing occurred.

Condition

Suggested solutions

Please avoid changing print job parameters

(via LPR GUI, for example) while a print job is

in progress. Known versions of CUPS server

I encounter error

break the print job whenever print options are

“Unable to open

changed and then try to restart the job from

mfp port device

the beginning. Since Unified Linux Driver

file!” when printing

locks mfp port while printing, the abrupt

a document.

termination of the driver keeps the port locked

and therefore unavailable for subsequent print

jobs. If this situation occurred, please, try to

release the mfp port.

Condition

Suggested solutions

The printer does not

Change the Print Method option to Print

print a document from

as Image when you print from Acrobat

Acrobat Reader.

Reader.

The document has

Update your Mac OS to OS 10.3.3 or

printed, but the print job

higher.

has not disappeared

from the spooler in Mac

OS 10.3.2.

The printer does not

Change the Data type option in the

print a document from

Adobe Illustrator print menu to Binary.

Illustrator on IPP

Or, you can use Appletalk printing.

printing.