Oki C941, C942, ES9541, ES9542, Pro9541 User's Manual Separate Volume Spot Color Guide

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User's Manual

Separate Volume Spot Color Guide

C941 C942 ES9541 ES9542 Pro9541 Pro9542

Contents

Setting the Spot Color kit (C941/ES9541/Pro9541 only) ..................... 3

Control Panel Explanation

Standby Screen ...................................................................................................... 6

Menu table of Spot Color toner

.................................................................... 6

...............................................................................7

Checking the printer drivers .............................................................. 11

Printer driver functions table

With white toner mounted .................................................................................... 13

With clear toner mounted (C941/ES9541/Pro9541 only)

............................................................. 13

..................................... 17

Printing on color paper ...................................................................... 21

Color papers that can be used .............................................................................. 21

Printing using white toner only

Printing white under color

Adjusting the print position for spot color overprint (C941/ES9541/Pro9541 only) ... 29

............................................................................ 21

.................................................................................... 24

Printing on transparent lm ............................................................... 35

Transparent lms that can be used ....................................................................... 35

Setting transparent lm in the device

Preparing output destination of transparent lms

...................................................................35

................................................ 38

Mirror reverse printing

......................................................................................... 38

Printing by using applications to specify Spot Color toner

(PS printer drivers only) .................................................................... 43

Using Illustrator ................................................................................................... 43

Using Photoshop

................................................................................................... 44

Fine-tuning the white gradation ........................................................ 46

Replacing Spot Color kits (C941/ES9541/Pro9541 only)

................... 47

- 2 -

Setting the Spot Color kit (C941/ES9541/Pro9541 only)

This section explains how to set the Spot Color kit.

Memo

For C942/ES9542/Pro9542, these steps are not required.

First "mount the consumables" as described in "Basic" before setting the Spot Color kit.

Open the package, and remove the

duct, toner, and image drum.

Note

Do not remove the toner or image drum from their

packages.

Open the front cover.

Mount the duct to the printer.

- 3 -

Setting the Spot Color kit (C941/ES9541/Pro9541 only)

Remove the image drum from its

packaging.

Note

Do not expose the image drum to direct sunlight or strong

light (About 1,500 lux or above). Do not leave it for more than 5 minutes even under room lighting.

Be careful not to touch or scratch the image drum (green

cylinder).

Align the (red) arrows on the image

drum and printer, and insert gently into the slot while taking care not to touch the (green) light sensor on the underside with your hands, and then

push in rmly as far as it will go.

Note

Be careful not to touch or scratch the image drum (green

cylinder).

Remove the stopper (orange).

Close the front cover.

- 4 -

Setting the Spot Color kit (C941/ES9541/Pro9541 only)

Remove the toner cartridge from its

packaging, and shake it vertically and horizontally.

Note

Do not drop the toner cartridge or tap it on the oor.

Doing so may damage the cartridge.

Open the toner replacement cover.

Close the toner replacement cover.

Turn ON (I) the main power switch.

Check the position of the slot, and

rmly push the toner cartridge in as far

as it will go.

Press and hold the power switch for

approx. 1s.

Memo

When "Spot Color has been replaced/Press OK to change

the Spot Color settings in the menu to Clear and restart the system/If you do not want to change settings, return Spot Color toner, image drum and Spot Color duct settings to white" is displayed, press the [OK] button.

When the Spot Color kit has been set, return to the

"Basic", and implement the tasks described from "Setting the Paper" onwards.

- 5 -

Control Panel Explanation

This section explains the C941/C942/ES9541/ES9542/Pro9541/Pro9542 control panel.

Standby Screen

With white toner mounted

Displays the printer status.

Displays the remaining consumables quantities.

With clear toner mounted

Displays the printer status.

Displays the remaining consumables quantities.

- 6 -

Menu table of Spot Color toner

The printer menus for clear toner and white toner are as described below.

Numbers following the letter F in the menu items indicate the function number.

Memo

For details of menus other than the Spot Color toner, see the "Basic".

Configuration

Tray Count Supplies Life Cyan Toner

Magenta Toner Yellow Toner Black Toner

White Toner (n.nK) Clear Toner (n.nK) Cyan Drum

Magenta Drum Yellow Drum Black Drum

White Drum Clear Drum

Waste Toner Box

Belt Fuser

Network

Paper Size in Tray System

Control Panel Explanation

Print Information

Configuration

Network Demo Page File List PS Font List PCL Font List IBM PPR Font List EPSON FX Font List Usage Report Error Log Color Profile List User Media List Test Print-1 Test Print-2

Test Print-3

Test Print-4 Print

Print Secure Job

Encrypted Job

Stored Job

*1: Displayed when you have installed the white toner cartridge and image drum.

*2: Displayed when you have installed the clear toner cartridge and image drum. Clear can be used only with C941/ES9541/

Pro9541.

*3: Displayed when you have installed the white toner cartridge and image drum with C941/ES9541/Pro9541.

- 7 -

Control Panel Explanation

Menus

Tray Configuration

System Adjust Print Adjust Print Position Adjust MPTray X Adjust (0.00mm)

F220

Y Adjust (0.00mm) Duplex X Adjust (0.00mm) Duplex Y Adjust (0.00mm)

Overprint X Adjust Overprint Y Adjust

Y Scaling (0.00%)

*4 (0.00mm) *4 (0.00mm)

Tray1 X Adjust (0.00mm)

F221

Y Adjust (0.00mm) Duplex X Adjust (0.00mm) Duplex Y Adjust (0.00mm)

Tray2 *1 X Adjust (0.00mm)

F222

Overprint X Adjust Overprint Y Adjust

Y Scaling (0.00%)

*4 (0.00mm) *4 (0.00mm)

Y Adjust (0.00mm) Duplex X Adjust (0.00mm) Duplex Y Adjust (0.00mm)

Tray3 *1 X Adjust (0.00mm)

F223

Overprint X Adjust Overprint Y Adjust

Y Scaling (0.00%)

*4 (0.00mm) *4 (0.00mm)

Y Adjust (0.00mm) Duplex X Adjust (0.00mm) Duplex Y Adjust (0.00mm)

Tray4 *1 X Adjust (0.00mm)

F224

Overprint X Adjust Overprint Y Adjust

Y Scaling (0.00%)

*4 (0.00mm) *4 (0.00mm)

Y Adjust (0.00mm) Duplex X Adjust (0.00mm) Duplex Y Adjust (0.00mm)

Overprint X Adjust Overprint Y Adjust

Y Scaling (0.00%)

*4 (0.00mm) *4 (0.00mm)

Tray5 *1 X Adjust (0.00mm)

F225

Y Adjust (0.00mm) Duplex X Adjust (0.00mm) Duplex Y Adjust (0.00mm)

Overprint X Adjust Overprint Y Adjust

Y Scaling (0.00%)

*4 (0.00mm) *4 (0.00mm)

- 8 -

Paper Black Setting Paper Color Setting Trans. Black Setting

Trans. Color Setting

SMR Setting Cyan Magenta Yellow Black

White Clear

BG Setting Cyan Magenta Yellow Black

White Clear

Drum Cleaning Transfer Roller Cleaning High Humid Mode

Moisture Control

Narrow Paper Speed

Print Mode Transfer Setting Cyan Transfer Setting

DV Roller Cleaning Magenta Transfer Setting Yellow Transfer Setting Black Transfer Setting

White Transfer Setting Clear Transfer Setting

Control Panel Explanation

*1: Displayed when trays 2 to 5 are mounted.

*2: Displayed when you have installed the white toner cartridge and image drum.

*3: Displayed when you have installed the clear toner cartridge and image drum (C941/ES9541/Pro9541 only).

*4: Displayed only with C941/ES9541/Pro9541.

- 9 -

Control Panel Explanation

Admin Setup

Network Setup

USB Setup Print Setup PS Setup PCL Setup XPS Setup IBM PPR Setup EPSON FX Setup

Color Setup Ink Simulation

UCR CMY 100% Density CMYK Conversion

Spot Color (White) Panel Setup

Time Setup Power Setup Others Setup Settings Change Password

Print Statistics

JOB LOG Supplies Report Reset Main Counter Reset Supplies Counter Change Password

Calibration

Auto Density Mode

Auto BG Adjust Mode Density Adjustment Media Adjust Density Adjust Registration Heavy Media Adjust Heavy Media Mode

Color Density Cyan Density

Magenta Density Yellow Density Black Density

White Density (0) Clear Density (0)

F314

Print Color Tuning Pattern

Base Color Tuning Fine Color Tuning Reset Color Tuning

White Tuning

Boot Menu

Network Factory Defaults HDD Setup Storage Common Setup Menu Lockout (Off) Panel Lockout (Off)

*1: Displayed when you have installed the white toner cartridge and image drum.

*2: Displayed when you have installed the clear toner cartridge and image drum (C941/ES9541/Pro9541 only).

*3: Displayed only with C941/ES9541/Pro9541.

- 10 -

Checking the printer drivers

When installation of printer drivers is complete, check that the Spot Color toner that has been mounted is selected in [Spot Color Toner] in the [Device Settings] tab or [Device Options] tab.

Memo

For the printer driver installation method, see "Connecting to the PC" in "Basic".

Using Windows PS printer drivers



The color of the Spot Color toner that has been mounted is displayed in [Spot Color Toner] in the [Device Settings] tab.

If the mounted color is not set, select the relevant Spot Color Toner color.

Using Windows PCL printer drivers



The color of the Spot Color toner that has been mounted is displayed in [Spot color toner] in the [Device Options] tab.

If the mounted color is not set, select the relevant Spot color toner color.

- 11 -

Checking the printer drivers

Using Windows XPS printer drivers



The color of the Spot Color toner that has been mounted is displayed in [Spot color toner] in the [Device Options] tab.

If the mounted color is not set, select the relevant Spot color toner color.

Using Mac OS X PS printer



drivers

The color of the Spot Color toner that has been mounted is displayed in [Spot Color Toner] in the [Driver] panel.

If the mounted color is not set, select the relevant Spot Color Toner color.

- 12 -

Printer driver functions table

This section explains the Spot Color toner functions in the printer drivers.

Select the Spot Color toner in the [Device Settings] tab or [Device Options] tabs of the printer drivers. The following screen will be displayed.

Note

Plain, recycled, and glossy under GSM 52 to 64g/m

using white toner or clear toner.

Memo

If using the Fiery XF Server Option, see the manual enclosed with Fiery XF Server Option.

(ream weight under 45 to 55kg) are incompatible with Spot Color printing

With white toner mounted

Using Windows PS printer drivers



Click [Spot Color] in the [Color] tab to display the window for setting the Spot Color toner.

Item Explanation

Usage Methods Do not use Print without using white toner.

Full page Using white toner on whole printed pages.

Data portion (Excluding white)

Data portion (Including white)

Printing only spot color toner Printing using white toner only.

Application specication Applications can be used to specify white toner. This

Order of superposition

Special Mirror Print Printing by reversing the horizontal orientation.

Printing white on the color Printing by overlaying white toner on cyan, magenta,

Printing white under the color Printing by overlaying white toner under cyan, magenta,

White size adjustment * Finely adjust the print size in white when printing in

Using white toner in the data portions excluding the white portions.

Using white toner in the data portions including the white portions.

function is for PS printer drivers only.

yellow, and black toner.

"Printing white under the color". Enter the degree of shrinkage of white for other colors.

*: This is a function added to Windows PS printer driver version 1.0.3 or later.

This is available when combined with rmware version A01.07_0_4 or later.

See "Adjusting the print position for spot color overprint (C941/ES9541/Pro9541 only)" (P.29) for details.

- 13 -

Printer driver functions table

Using Windows PCL printer drivers



Click the [Spot Color] tab to display the window for setting the Spot color toner.

Item Explanation

Usage methods Do not use Print without using white toner.

Full page Using white toner on whole printed pages.

Data portion (Excluding white) Using white toner in the data portions excluding the

white portions.

Data portion (Including white) Using white toner in the data portions including the

white portions.

Printing only spot color toner Printing using white toner only.

Watermarks/Overlays Print the selected Watermarks/Overlays with white toner.

Order of superposition

Speciality Mirror Print Printing by reversing the horizontal orientation.

Printing white on the color Printing by overlaying white toner on cyan, magenta,

yellow, and black toner.

Printing white under the color Printing by overlaying white toner under cyan, magenta,

tellow, and black toner.

White size adjustment * Finely adjust the print size in white when printing in

"Printing white under the color". Enter the degree of shrinkage of white for other colors.

*: This is a function added to Windows PCL printer driver version 1.0.3 or later.

This is available when combined with rmware version A01.07_0_4 or later.

See "Adjusting the print position for spot color overprint (C941/ES9541/Pro9541 only)" (P.29) for details.

- 14 -

Printer driver functions table

Using Windows XPS printer drivers



Click [Spot Color] in the [Color] tab to display the window for setting the Spot color toner.

Item Explanation

Usage Methods Do not use Print without using white toner.

Full page Using white toner on whole printed pages.

Data portion (Excluding white) Using white toner in the data portions excluding the

white portions.

Data portion (Including white) Using white toner in the data portions including the

white portions.

Printing only spot color toner Printing using white toner only.

Order of superposition

Speciality Mirror Print Printing by reversing the horizontal orientation.

Printing white on the color Printing by overlaying white toner on cyan, magenta,

yellow, and black toner.

Printing white under the color Printing by overlaying white toner under cyan, magenta,

yellow, and black toner.

White size adjustment * Finely adjust the print size in white when printing in

"Printing white under the color". Enter the degree of shrinkage of white for other colors.

*: This is a function added to Windows XPS printer driver version 1.0.3 or later.

This is available when combined with rmware version A01.07_0_4 or later.

See "Adjusting the print position for spot color overprint (C941/ES9541/Pro9541 only)" (P.29) for details.

- 15 -

Printer driver functions table

Using Mac OS X PS printer drivers



Select the [Spot Color] panel to display the window for setting the Spot Color toner.

Item Explanation

Usage methods Do not use Print without using white toner.

Full page Using white toner on whole printed pages.

Data portion (Excluding white) Using white toner in the data portions excluding the

white portions.

Data portion (Including white) Using white toner in the data portions including the

white portions.

Printing only spot color toner Printing using white toner only.

Application specication Applications can be used to specify white toner. This

function is for PS printer drivers only.

Order of superposition

Flip horizontally Printing by reversing the horizontal orientation.

Printing white on the color Printing by overlaying white toner on cyan, magenta,

yellow, and black toner.

Printing white under the color Printing by overlaying white toner under cyan, magenta,

yellow, and black toner.

White size adjustment * Finely adjust the print size in white when printing in

"Printing white under the color". Enter the degree of shrinkage of white for other colors.

*: This is a function added to Mac OS X PS printer driver version 1.0.3 or later.

This is available when combined with rmware version A01.07_0_4 or later.

See "Adjusting the print position for spot color overprint (C941/ES9541/Pro9541 only)" (P.29) for details.

- 16 -

Printer driver functions table

With clear toner mounted (C941/ES9541/Pro9541 only)

Using Windows PS printer drivers



Click [Spot Color] in the [Color] tab to display the window for setting the Spot Color toner.

Item Explanation

Usage Methods Do not use Print without using clear toner.

Full page Using clear toner on whole printed pages.

Data portion (Excluding white) Using clear toner in the data portions excluding the

white portions.

Data portion (Including white) Using clear toner in the data portions including the white

portions.

Printing only spot color toner Printing using the clear toner only.

Application specication Applications can be used to specify clear toner. This

function is for PS printer drivers only.

Special Mirror Print Printing by reversing the horizontal orientation.

- 17 -

Printer driver functions table

Using Windows PCL printer drivers



Click the [Spot Color] tab to display the window for setting the Spot Color toner.

Item Explanation

Usage methods Do not use Print without using clear toner.

Full page Using clear toner on whole printed pages.

Data portion (Excluding white) Using clear toner in the data portions excluding the

white portions.

Data portion (Including white) Using clear toner in the data portions including the white

portions.

Printing only spot color toner Printing using the clear toner only.

Watermarks/Overlays Print the selected Watermarks/Overlays with clear toner.

Speciality Mirror Print Printing by reversing the horizontal orientation.

- 18 -

Printer driver functions table

Using Windows XPS printer drivers



Click [Spot Color] in the [Color] tab to display the window for setting the Spot color toner.

Item Explanation

Usage methods Do not use Print without using clear toner.

Full page Using clear toner on whole printed pages.

Data portion (Excluding white) Using clear toner in the data portions excluding the

white portions.

Data portion (Including white) Using clear toner in the data portions including the white

portions.

Printing only spot color toner Printing using the clear toner only.

Speciality Mirror Print Printing by reversing the horizontal orientation.

- 19 -

Printer driver functions table

Using Mac OS X PS printer drivers



Click the [Spot Color] panel to display the window for setting the Spot Color toner.

Item Explanation

Usage methods Do not use Print without using clear toner.

Full page Using clear toner on whole printed pages.

Data portion (Excluding white) Using clear toner in the data portions excluding the

white portions.

Data portion (Including white) Using clear toner in the data portions including the white

portions.

Prints only spot color toner Printing using the clear toner only.

Application specication Applications can be used to specify clear toner. This

function is for PS printer drivers only.

Mirror Print Printing by reversing the horizontal orientation.

- 20 -

Printing on color paper

Color papers that can be used

Use color paper that satises the following

conditions.

Pigments used to color the paper or ink that is

heat-resistant at 230ºC.

E-photo printer paper with the same paper

characteristics as plain paper

Printing using white toner only

Printing text and illustrations using only white toner on color paper.

Before printing, check that white toner has been mounted to the device, and that white toner has been selected using the printer drivers.

Note

Plain, recycled, and glossy under GSM 52 to 64g/m

weight under 45 to 55kg) are incompatible with Spot Color.

Memo

For how to check the Spot Color toner selected using the

printer drivers, see "Checking the printer drivers" (P.11).

Even if the cyan (blue), magenta (red), yellow toner

cartridge life has been reached, spot color printing can be done by specifying "Print only with spot color". (You cannot print if the black toner cartridge life is reached.)

Using Windows PS printer drivers



(ream

Open the le to be printed.

Click [Page Setup] in the [File] menu.

Select the paper size and print

orientation, and click [OK].

Select [Print] in the [File] menu.

Click [Advanced] (or [Properties]).

Use [Paper Source] in the [Paper/

Quality] tab to select the tray to be used.

Use [Media] to select the paper type to

be used, and click [Advanced].

Select suitable values from [Media

Weight] using the [Advanced Options] screen, and click [OK].

- 21 -

Printing on color paper

Click [Spot Color] in the [Color] tab.

Select [Printing only spot color toner] in

[Usage Methods], and click [OK].

Using Windows PCL printer drivers



Open the le to be printed.

Click [Page Setup] in the [File] menu.

Select the paper size and print

orientation, and click [OK].

Select [Print] in the [File] menu.

Click [Advanced] (or [Properties]).

Use [Paper Source] in the [Setup] tab

to select the tray to be used.

Use [Media Type] to select the paper

type to be used.

Select suitable values using [Media

Weight].

Click [OK] to return to the [Print]

screen.

Click [Print] in the [Print] screen to

print.

Click the [Spot Color] tab.

Select [Prints only spot color toner] in

[Usage methods], and click [OK].

- 22 -

Click [Print] in the [Print] screen to

print.

Printing on color paper

Using Windows XPS printer drivers



Open the le to be printed.

Click [Page Setup] in the [File] menu.

Select the paper size and print

orientation, and click [OK].

Select [Print] in the [File] menu.

Click [Advanced] (or [Properties]).

Use [Paper Source] in the [Setup] tab

to select the tray to be used.

Use [Media Type] to select the paper

type to be used.

Select suitable values using [Media

Weight].

Select [Printing only spot color toner] in

[Usage Methods], and click [OK].

Click [OK] to return to the [Print]

screen.

Click [Auto Color] in the [Color] tab.

Click [Print] in the [Print] screen to

print.

- 23 -

Printing on color paper

Using Mac OS X Printer Drivers



Printing white under color

Open the le to be printed.

Click [Page Setup] in the [File] menu.

Select the paper size and print

orientation using the page setup dialog box, and click [OK].

Select [Print] in the [File] menu.

Use the [Source] panel to select the

tray to be used.

Click the [Feed] tab in the [Print

Options] panel, and select suitable values using [Media Type] and [Media Weight].

Select [Prints only spot color toner] in

[Usage Methods] in the [Spot Color] panel.

If printing on color paper in C941/ES9541/ Pro9541, you can print the base using white toner, and then overprint using colors (CMYK). In C942/ES9542/Pro9542, white toner is always printed under the colors (CMYK).

Note

This function cannot be used with envelopes or postcards

(except for Japanese Double Postcards and 4-Ren Hagaki).

This function cannot be used with GSM under 52 to 64g/m

(ream weight under 45 to 55kg), or paper with GSM 321 to 360g/m2 (ream weight 256 to 309kg).

Custom size is compatible with papers with widths from

99.0 to 330.0mm, and lengths from 180 to 457mm.

Clear toner is not compatible with this function.

Using Windows PS printer drivers



Open the le to be printed.

Click [Page Setup] in the [File] menu.

Select the paper size and print

orientation, and click [OK].

Click [Print] to print.

Select [Print] in the [File] menu.

Click [Advanced] (or [Properties]).

Use [Paper Source] in the [Paper/

Quality] tab to select the tray to be used.

Use [Media] to select the paper type to

be used, and click [Advanced].

Select suitable values from [Media

Weight] using the [Advanced Options] screen, and click [OK].

- 24 -

Printing on color paper

Click [Spot Color] in the [Color] tab.

Select [Data portion (Including white)] in [Usage Methods].

Using Windows PCL printer drivers



Open the le to be printed.

Click [Page Setup] in the [File] menu.

Select the paper size and print

orientation, and click [OK].

Select [Print] in the [File] menu.

Click [Advanced] (or [Properties]).

Use [Paper Source] in the [Setup] tab

to select the tray to be used.

Use [Media Type] to select the paper

type to be used.

Select suitable values using [Media

Weight].

Select [Printing white under the color] in [Order of superposition], and click [OK].

Click the [Spot Color] tab.

Select [Data portion (Including white)]

in [Usage methods].

Click [OK] to return to the [Print] screen.

Click [Print] in the [Print] screen to print.

- 25 -

Printing on color paper

Select [Printing white under the color]

in [Order of superposition], and click [OK].

Click [Print] in the [Print] screen to

print.

Using Windows XPS printer drivers



Open the le to be printed.

Click [Page Setup] in the [File] menu.

Select the paper size and print

orientation, and click [OK].

Select [Print] in the [File] menu.

Click [Advanced] (or [Properties]).

Use [Paper Source] in the [Setup] tab

to select the tray to be used.

Use [Media Type] to select the paper

type to be used.

Select suitable values using [Media

Weight].

Click [Spot Color] in the [Color] tab.

- 26 -

Printing on color paper

Select [Data portion (Including white)]

in [Usage Methods].

Select [Printing white under the color]

in [Order of superposition], and click [OK].

Using Mac OS X Printer Drivers



Open the le to be printed.

Click [Page Setup] in the [File] menu.

Select the paper size and print

orientation using the page setup dialog box, and click [OK].

Select [Print] in the [File] menu.

Use the [Source] panel to select the

tray to be used.

Click the [Feed] tab in the [Print

Options] panel, and select suitable values using [Media Type] and [Media Weight].

Select [Data portion (Including white)]

in [Usage Methods] in the [Spot Color] panel.

Click [OK] to return to the [Print]

screen.

Click [Print] in the [Print] screen to

print.

- 27 -

Printing on color paper

Select [Printing white under the color]

in [Order of superposition] in the [Spot Color] panel.

Click [Print] to print.

- 28 -

Printing on color paper

Adjusting the print position for spot color overprint (C941/ES9541/Pro9541 only)

When printing white under the color in C941/ES9541/Pro9541, misalignment or shrinkage may occur depending on the paper in use. In this case, adjust the registration and image size by following the procedure below. In C942/ES9542/Pro9542, white toner is always printed under the color toner (CMYK) without spot color overprint.

Note

The adjustment of image size can be done when printer driver version 1.0.3 or later and rmware version A01.07_0_4 or later

is combined.

You can check the version of Windows PS/PCL/XPS printer driver by clicking the [Version Information] button in the setting

screen.

You can check the version of Mac OS X PS printer driver by opening [System Preferences] > [Print and Scan] > [Option and

Supply] from the Apple menu and going to the [General] tab > [Driver Version].

You can check the version of the rmware by selecting [Printer Information] > [System Information] > [Firmware Version]

from the control panel menu.

Reference

To locate the button of [Version Information] on the printer driver setup screen, refer to the "List of Printer

Driver Features" in the C941 User's Manual "Advanced".

Adjusting Registration and Image



Size

Note

Misalignment or shrinkage of image size differs depending

on the paper and paper tray. Please use the paper and paper tray that you will use in actual printing for test print.

Set the paper in the paper tray.

Set the paper tray you are using in

[Paper Feed Tray] from the control panel.

Press the [Fn] key, [8], [0], and

(1)

press the [OK] button.

Select the paper tray you want to

(2)

use, and press the [OK] button.

Set the paper weight, paper size, and

paper type of the paper you want to use using the control panel.

Select [Print Information], and press

the [OK] button.

Select [Test Print-3], and press the [OK]

button.

Press the scroll button or .

- 29 -

Printing on color paper

ation

In the test result, compare the degree

of misalignment between the black and white lines in the center.

Paper

oper

direction

0.5mm

10mm

Memo

If the black line is hard to read, use a color easy to read

to adjust the white line misalignment.

0.75mm

Adjust the registration of black lines to

the white lines.

Press the [Fn] key.

(2)

The numerical values input screen will be displayed.

Enter the function number of the

(3)

paper feed tray to be set.

For the multi-purpose tray

Press the function number [2], [2], [0], and press the [OK] button.

The following gure illustrates a case

where deviation occurs.

Check that 0.75 mm is adjusted

(1)

in the direction of X (+) and 0.05 mm in Y (-) based on the following

direction adjustment gure.

Memo

For this example, adjustment of +0.75mm for X

direction and -0.5mm for Y direction are necessary.

-0.5mm

Registration

adjustment

diagram

+0.75mm

10mm

For Tray1

Press the function number [2], [2], [1], and press the [OK] button.

Memo

The function numbers for trays 2 to 5 are described

below.

–

For Tray 2 Press the [Fn] key, [2], [2], [2], and [OK].

–

For Tray 3 Press the [Fn] key, [2], [2], [3], and [OK].

–

For Tray 4 Press the [Fn] key, [2], [2], [4], and [OK].

–

For Tray 5 Press the [Fn] key, [2], [2], [5], and [OK].

- 30 -

Printing on color paper

Select [Overprint X Adjust], and

(4)

press the [OK] button.

Set the X direction adjustment

(5)

value veried in step 8-(1) by

pressing the scroll button and then press the [OK] button.

or ,

Set the Y direction adjustment

(8)

value veried in step 8-(1) by

pressing the scroll button and then press the [OK] button.

Press the [ONLINE] button.

(9)

Check the degree of shrinkage of white

image size of color image from the print result of Step 6 (Test Print 3).

Select both outermost black lines

(1)

from among the lines along the direction of the paper.

or ,

Memo

The adjustment range is from -2.00 mm to +2.00

mm in the step of 0.25 mm.

Press the [BACK] button.

(6)

Press the scroll button or ,

(7)

select [Overprint Y Adjust], and press the [OK] button.

Memo

The adjustment range is from -2.00 mm to +2.00

mm in the step of 0.25 mm.

X-Direction

Measure the black line interval

(2)

and the corresponding white line interval, and work out the shrinking percentage of X-direction by using the following formula. "White line interval ÷ Black line interval"

Paper

operation

direction

- 31 -

White line interval: 238.3mm

Black line interval: 239.8mm

238.3 ÷ 239.8 = 99.37% :

Shrinking percentage of X-direction

Printing on color paper

Select the two black lines

(3)

separated as much as possible from among the lines intersecting the direction of the paper.

Y-Direction

Measure the black line interval

(4)

and the corresponding white line interval, and work out the shrinking percentage of Y-direction.

Paper

operation

direction

Specify the shrinking percentage of

X-direction as adjusted value of X, shrinking percentage of Y-direction as adjusted value of Y (Calculated in Step

9) in [White size adjustment] of [Order of superposition] in the Spot Color toner setting screen of the printer driver.

White line interval:

159.2mm

Black line interval:

160.0mm

159.2 ÷ 160.0 = 99.50% :

Shrinking percentage of Y-direction

Memo

If the black line is hard to read, use the white line

that corresponds to the line of color easy to read (the two lines must be of the same color).

Open the le to be printed.

Select [Print] in the [File] menu.

Click [Advanced] (or [Preferences]).

Memo

The adjustment range is from 99.00% to 100.00% in the

step of 0.01%.

[White Size Adjustment] can only be specied when [Print

White Under The Color] is enabled.

Windows PS printer driver screen is used as an example.

Reference

To display the Spot Color toner setting

screen for each printer driver, refer to the

"Printer driver functions table" (P.13).

Print out the opened le, and check the

print result.

If misalignment of registration is not

resolved, readjust following Step 8 based on the print result of Step 14.

Memo

If the misalignment is not resolved after performing the

adjustment several times, use the setting value with the fewest misalignment.

- 32 -

Printing on color paperPrinting on color paper

Adjusting the White Image from



Application

By adjusting the file from the application, the registration misalignment may not be noticeable. If the misalignment is not fixed after adjusting the position and size, adjust the white image with the application. Adobe Illustrator will be used as an example for the adjustment method.

Open the data with white misalignment.

Create a new layer. Name the layer

"SpotColor", and create this at the top.

Copy the object to be lled with spot

color white to the "SpotColor" layer.

Select the copied object, and set the

ll to "SpotColor_White:100%" and the border to "SpotColor_White:0%".

For outlines, select "Object" > "Path" >

"Path Outline", and set the ll and

border after it been changed to Object.

Open the attribute window, and select

[Overprint Fill] and [Overprint Stroke].

Open the swatch window, and click the "New Swatch" button.

Enter [SpotColor_White] as its name,

and select [Spot Color] for the color type.

Note

Please enter the name as given above. White toner will

not be recognized if you make a mistake in the entries.

Select [File] > [Print].

Go to [Printer], and select [OKI C941

(PS)].

Go to [Advanced] > [Overprints], and

select [Simulate].

Click [Setup].

- 33 -

Printing on color paper

Click [Preferences].

Go to the [Color] tab, and click [Spot

Color].

Go to [Usage Methods] and select

[Application specication], and select

[Printing white under the color] for the order of superposition.

Click [OK] to print.

- 34 -

Printing on transparent lm

Before printing, check that white toner has been mounted to the device, and that white toner has been selected using the printer drivers.

Memo

For how to check the Spot Color toner selected using the printer drivers, see "Checking the printer drivers" (P.11).

Transparent lms that can

be used

Use transparent lm that satises the following

conditions.

Recommended media: OKI TRANSPARENCY

FILM

A4Nobi (OKI Color Page Printer Paper, Model Name: PPR-SW4AEB)

A3Nobi (OKI Color Page Printer Paper, Model name: PPR-SW3AEB)

Setting the media weight in the printer driver: [OKITRANSFILM]

When setting from the control panel: Media weight: Auto Paper type: OKITRANSFILM

Transparent lm used in e-photo printers or

dry PPC.

Film that is heat-resistant to 230ºC.

Paper of width 210mm min.

Thoroughly test the print quality and paper

traction beforehand, and check that there are no impediments before use.

Setting transparent lm in

the device

Note

Excellent clear lm cannot be set in Tray 1 or an

additionally provided tray (Option).

Open the multi-purpose tray ( )

towards you.

Open the auxiliary supporter ( ).

If you set the media type to [OKITRANSFILM]

and print on paper other than excellent

transparent lms, thoroughly test the print

quality and paper traction beforehand, and check that there are no impediments before use.

Note

Do not use shrink lm for soft packaging printing.

Light lm may have poor absorption, multiple feeding, and

paper jams.

It is possible that staining will occur on the OKI

TRANSPARENCY FILM.

- 35 -

Printing on transparent lm

Pull the setting lever ( ) on the right

side of the paper supporter ( ) towards you.

Adjust the paper guide ( ) to the width

of the paper that has been set.

Set the paper so the indentation mark

of the transparent lm is positioned as

shown in the diagram.

Note

Do not set the paper beyond the paper guide (

When using OKI TRANSPARENCY FILM

For A3 Nobi For A4 Nobi

Adjust the paper guide to t the width

of transparent lm that has been set.

Release and return the setting lever ( )

to its original position.

- 36 -

Printing on transparent lm

Press the [Fn] key.

The numerical values input screen will be displayed.

Press [9] and [0], and press the [OK]

button.

Select [OKITRANSFILM], and press the

[OK] button. Check that to the left of [OKITRANSFILM].

Press the [ONLINE] button to return to

the standby screen.

is displayed

Select the paper size, and press the

[OK] button.

Memo

When using an A4 Nobi transparent lm, select [A4

Wide

Check that is displayed to the left of

the selected paper size, and press the [BACK] button.

Select [Media Type], and press the [OK]

button.

- 37 -

Printing on transparent lm

Preparing output destination

of transparent lms

Transparent lms will be output to the face-up

stacker.

Note

Multiple excellent transparent lms cannot be stacked in

the face-up stacker. Remove each printed transparent lm

after it is output, and then start the next print.

Open the face-up stacker ( ) located

on the left side of the device.

Mirror reverse printing

If printing on transparent lm, print in the order

color (CMYK) and then white, and print using mirror reverse for correct appearance when turned over.

Using Windows PS printer drivers



Open the le to be printed.

Click [Page Setup] in the [File] menu.

Select the paper size and print

orientation, and click [OK].

Select [Print] in the [File] menu.

Click [Advanced] (or [Properties]).

Select [Stacker (Face-up)] from [Output

Bin] in the [Job Options] tab.

Open the paper supporter ( ) as

shown in the diagram.

Rotate the auxiliary supporter ( ) in

the direction of the arrow into the lock position.

Select [Multi-Purpose Tray] in [Paper

Source] in the [Paper/Quality] tab.

Select [OKITRANSFILM] in [Media].

- 38 -

Printing on transparent lm

Click [Spot Color] in the [Color] tab.

Select [Data portion (Including white)]

in [Usage Methods].

Select [Printing white on the color] in

[Order of superposition].

Using Windows PCL printer drivers



Open the le to be printed.

Click [Page Setup] in the [File] menu.

Select the paper size and print

orientation, and click [OK].

Select [Print] in the [File] menu.

Click [Advanced] (or [Properties]).

Select [Stacker (Face-up)] from [Output

Bin] in the [Job Options] tab.

Select [Multipurpose Tray] in [Source]

in the [Setup] tab.

Select [OKITRANSFILM] in [Type].

For reverse printing, enable [Mirror

Print], and click [OK].

Click [OK] to return to the [Print]

screen.

Click [Print] in the [Print] screen to

print.

Click the [Spot Color] tab.

Select [Data portion (Including white)]

in [Usage methods].

Select [Printing white on the color] in

[Order of superposition].

- 39 -

Printing on transparent lm

For reverse printing, enable [Mirror

Print], and click [OK].

Click [Print] in the [Print] screen to

print.

Using Windows XPS printer drivers



Open the le to be printed.

Click [Page Setup] in the [File] menu.

Select the paper size and print

orientation, and click [OK].

Select [Print] in the [File] menu.

Click [Advanced] (or [Properties]).

Select [Stacker (Face-up)] from [Output

Bin] in the [Job Options] tab.

Select [Multipurpose Tray] in [Source]

in the [Setup] tab.

Select [OKITRANSFILM] in [Type].

- 40 -

Printing on transparent lm

Click [Spot Color] in the [Color] tab.

Select [Data portion (Including white)]

in [Usage Methods].

Using Mac OS X Printer Drivers



Open the le to be printed.

Click [Page Setup] in the [File] menu.

Select the paper size and print

orientation using the page setup dialog box, and click [OK].

Select [Print] in the [File] menu.

Select [Multipurpose Tray] in the

[Source] panel.

Select [Stacker (Face-up)] from [Output

Bin] in the [Paper] tab of the [Print Options] panel.

Click the [Feed] tab in the [Print

Options] panel, and select [OKITRANSFILM] in [Media Type].

Select [Printing white on the color] in

[Order of superposition].

For reverse printing, enable [Mirror

Print], and click [OK].

Click [OK] to return to the [Print]

screen.

Select [Data portion (Including white)]

in [Usage Methods] in the [Spot Color] panel.

Select [Printing white on the color] in

[Order of superposition] in the [Spot Color] panel.

Click [Print] in the [Print] screen to

print.

- 41 -

Printing on transparent lm

For reverse printing, enable [Flip

horizontally].

Click [Print] to print.

- 42 -

Printing by using applications to specify Spot Color toner (PS printer drivers only)

Printing by using applications to specify Spot

Color toner (PS printer drivers only)

Printing

Using Illustrator



This explanation uses Illustrator CS6 as an example.

Adding Swatches



If using Spot Color (white or clear), specify the swatches added for the objects to be Spot Color printed.

Open the swatch panel, and select new

swatch.

Enter the name in [Swatch Name] as

shown below.

For white toner: SpotColor_White

For clear toner: SpotColor_Clear

If printing Spot Color, make the settings using the application print dialog box.

Click [Advanced] from the menu on the

left of the print dialog box.

Select [Simulate] in [Overprints].

Select [Spot Color] in [Color Type].

Click [Print].

- 43 -

Printing by using applications to specify Spot Color toner (PS printer drivers only)

Using Windows



Select Windows PS printer

(1)

drivers, and click [Advanced] (or [Properties]).

Click [Spot Color] in the [Color]

(2)

tab.

Select [Application specication] in

(3)

[Usage Methods], and click [OK].

Using Photoshop

This explanation uses Photoshop CS6 as an example.

Adding Spot Color Channels



If using Spot Color (white or clear), specify the Spot Color channels added for the objects to be Spot Color printed.

Open the channel panel, and select a

new Spot Color channel.

Enter the name in [Name] as shown

below.

For white: SpotColor_White

For clear: SpotColor_Clear

Implement printing.

(4)

Using Macintosh



Select the [Spot Color] panel.

(1)

Select [Application specication] in

(2)

[Usage Methods], and click [Print].

Saving in PDF Format



Spot Color printing directly from Photoshop

is not possible, so initially save the le in PDF

format.

Implement printing.

(3)

- 44 -

Printing



Printing by using applications to specify Spot Color toner (PS printer drivers only)

Using Windows



Open the le that has been saved in

PDF format using Acrobat or Adobe Reader.

Select [File]-[Print] to open the print

dialog box.

Click [Advanced].

Select [Color] from the menu on the

left of the print dialog box, and select [Simulate overprint]. (If using Adobe Reader, click [Advanced], and then select [Simulate overprint].)

Click [OK] to return to the print dialog

box.

Select Windows PS printer drivers, and click

[Advanced] (or [Properties]).

Click [Spot Color] in the [Color] tab.

Select [Application specication] in

[Usage Methods].

Implement printing.

Using Macintosh



Select the [Spot Color] panel.

Select [Application specication] in

[Usage Methods].

- 45 -

Implement printing.

Fine-tuning the white gradation

Finely adjust the shade for each white highlight, dark, mid-tone gradation using the printer control panel.

Memo

Displayed when using white toner.

This section explains the procedure for slightly darkening the white highlights.

Press the scroll button or .

Select [Calibration], and press the [OK]

button.

For the white highlight value, specify a

larger value than the current set value, and press the [OK] button. Check

is displayed to the left of the specied

value.

Memo

Increase the value to darken, and lower the value to

lighten.

Press the [ON LINE] button to return to

the standby screen.

that

Select [White Tuning], and press the

[OK] button.

Select [Highlight], and press the [OK]

button.

- 46 -

Replacing Spot Color kits (C941/ES9541/Pro9541 only)

Note

For C942/ES9542/Pro9542, it is not possible to exchange

the Spot Color kit.

WARNING

• Do not throw toner, toner cartridge or

spot color duct in re. Toner may y

off causing burn injury.

• Do not store toner cartridge or spot

color duct in a place with re. It may catch re causing re damage or burn

injury.

• Do not clean up spilled toner using an electric vacuum cleaner. When spilled toner is cleaned up using an electric vacuum cleaner, there is a risk of

re due to sparks from the electrical

contacts. Wipe off and remove the

toner spilled on the oor using a wet

cloth.

CAUTION

• There are high temperature parts in side the device. Do not touch near the places with "Caution: High Temperature" label. It may cause burn injury.

• When solving paper jam or replacing toner cartridge or spot color duct, be careful that your hands and clothes are not stained with toner. When there is toner on skin of hands etc., wash it off with liquid soap.

• When clothes are stained with toner, wash them in cold water. Heating it such as washing in hot water will dye the toner on clothes, and it stains may not remove easily.

• Do not disassemble or forcibly open the toner cartridge or spot color duct. It may scatter the toner, which people may inhale or may stain clothes and hand.

• Store the used toner cartridge or spot color duct in a bag so that toner does not scatter.

• If toner is spilled on the oor, wipe it up carefully using a damp cloth to prevent the toner from scattering.

• Keep the toner cartridge or spot color duct away from children's reach. If children drink toner cartridge by mistake, immediately consult the physician.

• When toner is inhaled, gargle with a lot of water and move the person to a place with fresh air. Consult a physician as necessary.

• When there is toner on skin of hands etc., wash it off with liquid soap.

• If toner gets into eyes, immediately wash it off with a large quantity of water. Consult a physician as necessary.

• When toner is swallowed, dilute the toner by drinking a large quantity of water. Consult a physician as necessary.

- 47 -

Replacing Spot Color kits (C941/ES9541/Pro9541 only)

This section explains the procedure for replacing Spot Color white kits and Spot Color clear kits. This section explains the procedure for replacing Spot Color clear kits from Spot Color white kits.

Press and hold the power switch for

approx. 1s.

Turn the main power supply switch to

the OFF (O) position to turn OFF the power supply.

Remove the white toner.

Close the toner replacement cover.

Open the toner replacement cover.

Open the front cover.

- 48 -

Replacing Spot Color kits (C941/ES9541/Pro9541 only)

Gently lift up the (blue) handle, and

remove the image drum while taking care not to touch the bottom of the drum (i.e., the green cylinder) with your hands.

Note

To prevent photodegredation of the image drum, do not

leave in direct sunlight or uorescent light.

Close the front cover.

Lift up and remove the white duct.

Be careful not to touch or scratch the image drum (green

cylinder).

If the toner feed area for the spot color image drum needs

cleaning, wipe it off with a tissue. (Check that no toner spills onto the drum.)

- 49 -

Replacing Spot Color kits (C941/ES9541/Pro9541 only)

Remove the duct for the Spot Color

clear kit to be mounted from its box.

Mount the clear duct to the printer.

Open the front cover.

Close the front cover.

- 50 -

Replacing Spot Color kits (C941/ES9541/Pro9541 only)

Remove the clear drum to be mounted

from its bag.

Note

Be careful not to touch or scratch the image drum (green

cylinder).

Align the (red) arrows on the image

drum and printer, and insert gently into the slot while taking care not to touch the (green) light sensor on the underside with your hands, and then

push in rmly as far as it will go.

Note

Be careful not to touch or scratch the image drum (green

cylinder).

Remove the stopper (orange).

Close the front cover.

- 51 -

Replacing Spot Color kits (C941/ES9541/Pro9541 only)

Remove the clear toner to be mounted

from its bag.

Shake the toner cartridge up and down,

and side to side.

Check the position of the slot, and

rmly push in the clear toner as far as

it will go.

Close the toner replacement cover.

Note

Do not drop the toner cartridge or tap it against the

oor. Doing so may damage the cartridge.

Open the toner replacement cover.

- 52 -

Replacing Spot Color kits (C941/ES9541/Pro9541 only)

Place the removed white toner, white

duct, and white image drum in the bag before placing the bag in the box for storage.

Turn ON (I) the main power switch.

Press and hold the power switch for

approx. 1s.

Press the [OK] button.

Memo

Run a test print and check that [Admin Setup] > [Color

Setup] > [Spot Color] is set to the same details as the installed toner. For how to conduct a test print, see “Test Printing Using the Printer Only" in the User's Manual (Basic).

- 53 -

1-7-12 Toranomon, Minato-ku, Tokyo 105-8460, Japan

www.oki.com/printing/

45602302EE Rev7

Oki C941, C942, ES9541, ES9542, Pro9541 User's Manual Separate Volume Spot Color Guide

Specifications and Main Features

Frequently Asked Questions

User Manual