Lexmark 4080-001 Service Manual

Lexmark Optra™ Color 45

• Table of Contents

• Start Diagnostics

• Safety and Notices

• Trademarks

4080-001

•Index

• Manuals Menu

Lexmark and Lexmark with diamond design are trademarks of Lexmark International, Inc., registered in the United States and/or other countries.

4080-001

Edition: October 2000 The following paragraph does not apply to any country where such provisions are

inconsistent with local law: LEXMARK INTERNATIONAL, INC. PROVIDES THIS

PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND,EITHER EXPRESS OR IMPLIED,INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow disclaimer of express or implied warranties in certain transactions, therefore, this statement may not apply to you.

This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these changes will be incorporated in later editions. Improvements or changes in the products or the programs described may be made at any time.

CommentsmaybeaddressedtoLexmarkInternational,Inc.,DepartmentD22/035-2, 740 New Circle Road N.W., Lexington, Kentucky 40550, U.S.A. Lexmark may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you. Youcan purchase additional copies of publications related to this product by calling 1-800-553-9727. In other countries, contact your point of purchase.

Lexmark and Optra are trademarks of Lexmark International, Inc., registered in the United States and/or other countries.

Other trademarks are the property of their respective owners.

UNITED STATES GOVERNMENT RESTRICTED RIGHTS

This software and documentation are provided with RESTRICTED RIGHTS. Use, duplication or disclosure by the Government is subject to restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in Technical Data and Computer Software clause at DFARS252.227-7013 and in applicable FAR provisions: Lexmark International, Inc., Lexington, KY 40550.

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Table of Contents

GeneralInformation....................................1-1

Power Consumption .....................................1-1

Maintenance Approach ..................................1-1

Tools Required For Service ...............................1-1

Abbreviations ..........................................1-2

Operator Panel and Menus ...............................1-3

Using the Operator Panel...............................1-3

Printer Indicator Light..................................1-3

Operator Panel Buttons ................................1-4

Printer Messages .....................................1-5

Operator Panel Menus ...................................1-6

Printing the Menu Settings Page .........................1-7

Changing Printer Settings ..............................1-8

Disabling the Operator Panel Menus ......................1-9

DiagnosticInformation .................................2-1

Start .................................................2-1

Error Indicator Table ..................................2-2

Power-On Self Test (POST) Sequence ....................2-4

Post Symptom Table ..................................2-5

Symptom Tables .....................................2-6

Service Checks ........................................2-9

Controller Board Service Check..........................2-9

Encoder Card / Strip Service Check ......................2-9

End of Forms (EOF) Service Check......................2-10

Maintenance Station Service Check .....................2-10

Noisy Paper Feed Motor Service Check ..................2-11

Operator Panel (Buttons) Service Check..................2-11

Operator Panel (LCD) Display Service Check ..............2-12

Options Service Check................................2-13

Paper Feed Service Check ............................2-15

Paper Path Service Check.............................2-18

Power Service Check.................................2-19

Print Quality Service Check ............................2-21

Transport Service Check ..............................2-24

Transport Service Check II.............................2-25

Tray 2 Service Check.................................2-25

User Error Messages.................................2-27

DiagnosticAids .......................................3-1

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Diagnostic Mode ........................................3-1

Aligning the Cartridges ...................................3-2

Cleaning the Printheads ..................................3-2

Paper Lifters Operation Theory .............................3-2

Error Log ..............................................3-3

Viewing the Error Log ..................................3-3

Clearing the Error Log..................................3-3

Hardware Tests .........................................3-4

LCD Test ............................................3-4

Button Test ..........................................3-4

DRAM Memory Test ...................................3-5

ROM Memory Test ....................................3-6

Parallel Wrap Test.....................................3-6

Serial Wrap Test ......................................3-7

Device Tests ...........................................3-8

Hex Trace ...........................................3-8

Quick Disk Test.......................................3-8

Disk Test/Clean.......................................3-9

Flash Test ..........................................3-10

Printer Setup ..........................................3-11

Setting the Page Count ................................3-11

Viewing the Permanent Page Count ......................3-11

Restore Factory Defaults...............................3-12

Print Tests ............................................3-12

Print Quality Test Page ................................3-13

Printing Menu Settings Page............................3-14

Test Page (Quick Test) ..................................3-15

RepairInformation......................................4-1

Handling ESD-Sensitive Parts ..............................4-1

Adjustments ............................................4-2

Removal Procedures .....................................4-2

Releasing Plastic Latches...............................4-2

Covers and Doors .......................................4-3

Base Assembly Removal ...............................4-4

Code SIMM Access Door Removal........................4-4

Controller Board Access Cover Removal ...................4-5

Controller Board Access Door Removal ....................4-5

Envelope Guide Removal ...............................4-5

Front Access Door Removal .............................4-6

Front Cover Removal ..................................4-6

Gutter Pad Removal ...................................4-6

Memory (SIMM) Card Cover Removal .....................4-7

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Metal / Plastic Controller Board Cover Removal .............4-7

Operator Panel Cover Removal..........................4-8

Option Card(s) Cover Removal ..........................4-8

Rear Cover Removal ..................................4-8

Rear Access Cover Removal............................4-9

Frames ..............................................4-10

Carrier Frame Assembly Removal.......................4-11

Carrier Rail Removal .................................4-11

Idler Pulley Assembly Removal .........................4-12

Left Side Frame Assembly Removal .....................4-12

Mid Frame Assembly Removal .........................4-13

Right Side Frame Assembly Removal ....................4-13

Paper Feed ...........................................4-14

Exit Roller Assembly Removal..........................4-15

Gear Box Assembly Removal ..........................4-15

Large Feed Roller Removal ............................4-15

Manual Sheet Feeder Removal .........................4-16

Paper Feed Motor Removal............................4-16

Paper Lifters Removal ................................4-16

Paper Tray Assembly Removal .........................4-17

Small Feed Roller Assembly Removal....................4-17

Small Feed Roller Holder Assembly Removal ..............4-17

Star Roller Assembly Removal .........................4-17

Electronics ...........................................4-18

Code or Flash SIMM Removal..........................4-19

Controller Board Removal .............................4-20

Encoder / Thermistor Card Removal .....................4-21

Engine Board Removal ...............................4-22

Memory (SIMM) Card Removal .........................4-22

Operator Panel Removal ..............................4-24

Operator Panel Cable Removal .........................4-25

Option Card(s) Removal ..............................4-25

Power Supply Removal ...............................4-26

Tray 2 Sensor Removal ...............................4-26

Carrier ..............................................4-27

Carrier Belt Removal .................................4-28

Carrier Rail Removal .................................4-28

Carrier Transport Motor Assembly Removal ...............4-29

Encoder Strip / Retainer Removal .......................4-29

Printhead Carrier Removal.............................4-30

Maintenance Station ....................................4-31

Maintenance Station Assembly Removal..................4-32

Wipers and Caps Removal ............................4-32

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ConnectorLocations....................................5-1

Engine Board ...........................................5-1

Controller Board ........................................5-2

Preventive Maintenance .................................6-1

Lubrication Specifications .................................6-1

PartsCatalog ..........................................7-1

HowToUseThePartsCatalog.............................7-1

Assembly 1: Covers ......................................7-2

Assembly 2: Frames......................................7-4

Assembly 3: Paper Feed ..................................7-6

Assembly 4: Electronics ..................................7-8

Assembly 5: Carrier .....................................7-10

Assembly 6: Carrier Transport .............................7-12

Assembly 7: Maintenance Station ..........................7-14

Assembly 8: Options.....................................7-16

Index.................................................I-1

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Safety Information

• This product is designed, tested and approved to meet strict

global safety standards with the use of specific Lexmark components. The safety features of some parts may not always be obvious. Lexmark is not responsible for the use of other replacement parts.

• The maintenance information for this product has been

prepared for use by a professional service person and is not intended to be used by others.

• There may be an increased risk of electric shock and personal

injury during disassembly and servicing of this product. Professional service personnel should understand this and take necessary precautions.

Consignes de Sécurité

• Ce produit a été conçu, testé et approuvé pour respecter les

normes strictes de sécurité globale lors de l'utilisation de composants Lexmark spécifiques. Les caractéristiques de sécurité de certains éléments ne sont pas toujours évidentes. Lexmark ne peut être tenu responsable de l'utilisation d'autres pièces de rechange.

• Les consignes d'entretien et de réparation de ce produit

s'adressent uniquement à un personnel de maintenance qualifié.

• Le démontage et l'entretien de ce produit pouvant présenter

certains risques électriques, le personnel d'entretien qualifié devra prendre toutes les précautions nécessaires.

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Norme di sicurezza

• Il prodotto è stato progettato,testato e approvato in conformità a

severi standard di sicurezza e per l’utilizzo con componenti Lexmark specifici. Le caratteristiche di sicurezza di alcune parti non sempre sono di immediata comprensione. Lexmark non è responsabile per l’utilizzo di parti di ricambio di altri produttori.

• Le informazioni riguardanti la manutenzione di questo prodotto

sono indirizzate soltanto al personale di assistenza autorizzato.

• Durante lo smontaggio e la manutenzione di questo prodotto, il

rischio di subire scosse elettriche e danni alla persona è più elevato. Il personale di assistenza autorizzato, deve, quindi, adottare le precauzioni necessarie.

Sicherheitshinweise

• Dieses Produkt und die zugehörigen Komponenten wurden

entworfen und getestet, um beim Einsatz die weltweit gültigen Sicherheitsanforderungen zu erfüllen. Die sicherheitsrelevanten Funktionen der Bauteile und Optionen sind nicht immer offensichtlich. Sofern Teile eingesetzt werden, die nicht von Lexmark sind, wird von Lexmark keinerlei Verantwortung oder Haftung für dieses Produkt übernommen.

• Die Wartungsinformationen für dieses Produkt sind

ausschließlich für die Verwendung durch einen Wartungsfachmann bestimmt.

• Während des Auseinandernehmens und der Wartung des

Geräts besteht ein zusätzliches Risiko eines elektrischen Schlags und körperlicher Verletzung. Das zuständige Fachpersonal sollte entsprechende Vorsichtsmaßnahmen treffen.

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Pautas de Seguridad

• Este producto se ha diseñado, verificado y aprobado para

cumplir los más estrictos estándares de seguridad global usando los componentes específicos de Lexmark. Puede que las características de seguridad de algunas piezas no sean siempre evidentes.Lexmark no se hace responsable del uso de otras piezas de recambio.

• La información sobre el mantenimiento de este producto está

dirigida exclusivamente al personal cualificado de mantenimiento.

• Existe mayor riesgo de descarga eléctrica y de daños

personales durante el desmontaje y la reparación de la máquina. El personal cualificado debe ser consciente de este peligro y tomar las precauciones necesarias.

Informações de Segurança

• Este produto foi concebido, testado e aprovado para satisfazer

os padrões globais de segurança na utilização de componentes específicos da Lexmark. As funções de segurança de alguns dos componentes podem não ser sempre óbvias. A Lexmark não é responsável pela utilização de outros componentes de substituição.

• As informações de segurança relativas a este produto

destinam-se a profissionais destes serviços e não devem ser utilizadas por outras pessoas.

• Risco de choques eléctricos e ferimentos graves durante a

desmontagem e manutenção deste produto. Os profissionais destes serviços devem estar avisados deste facto e tomar os cuidados necessários.

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Informació de Seguretat

• Aquest producte està dissenyat, comprovat i aprovat per tal

d'acomplir les estrictes normes de seguretat globals amb la utililització de components específics de Lexmark. Les característiques de seguretat d'algunes peces pot ser que no sempre siguin òbvies. Lexmark no es responsabilitza de l'us d'altres peces de recanvi.

• La informació pel manteniment d’aquest producte està

orientada exclusivament a professionals i no està destinada a ningú que no ho sigui.

• El risc de xoc elèctric i de danys personals pot augmentar

durant el procés de desmuntatge i de servei d’aquest producte. El personal professional ha d’estar-ne assabentat i prendre les mesures convenients.

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1. General Information

The Lexmark OptraTMColor 45 printer is a network, near laserquality inkjet printer. The print cartridge contains single-unit customer-replaceable supply items. Dual printheads provide color and true black printing without changing printheads. The black cartridge has a total of 208 nozzles and installs on the left. The color cartridge has a total of 192 nozzles and installs on the right. The printer is capable of printing in two directions from either cartridge.

Power Consumption

• 13 Watts - Idle Mode (power on - not printing)

• 21 Watts - Printing (average)

Maintenance Approach

The diagnostic information in this manual leads you to the correct field replaceable unit (FRU) or part. Use the error indicator charts, symptom index, service checks, and diagnostic aids to determine the symptom and repair the failure.

This printer can be serviced without being connected to a host computer. The user is directed, in the Printer Control program, to perform the head to head and bidirectional alignment adjustments after replacing a print cartridge.

After you complete the repair, perform tests as needed to verify the repair.

Tools Required For Service

• Analog or digital multimeter

• Coax/serial debug cable P/N 1381964

• Parallel wrap plug P/N 1319128

• Pliers: diagonal and needle-nose

• Screwdrivers: #1 and #2 Phillips

• Twinax/serial debug cable P/N 1381963

General Information 1-1

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Abbreviations

EOF End of Forms ESD Electrostatic Discharge FRU Field Replaceable Unit LED Light-Emitting Diode POST Power-On Self Test SIMM Single In-line Memory Module RAM Random Access Memory ROM Read Only Memory V ac Volts alternating current V dc Volts direct current

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Operator Panel and Menus

Using the Operator Panel

The operator panel, on the front right side of your printer, has a 2-line by 16-character liquid crystal display (LCD), five buttons, and one indicator light.

Operator Panel Display

Printer Indicator Light

The printer indicator light gives information about the status of your printer.

Light State Meaning

Onsolid PoweredOnandintheReady state Flashing Powered On and Busy Off Unplugged from the power source

General Information 1-3

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Operator Panel Buttons

Use the five operator panel buttons to open a menu, scroll through a list of values, change printer settings, and respond to printer messages. The following table describes the functions of each button.

Note: Buttons act upon the information that displays on the second line of the operator panel.

Button Function Go Press the Go button to:

• Return the printer to the Ready state if the printer is in an offline situation (Ready message does not appear on the display).

• Exit printer menus displayed on the operator panel.

• Clear operator panel error messages.

If you h ave changed printer settings from the operator panel menus, press Go before sending a job to print. The printer must display Ready for jobs to print.

Menu>

and

<Menu

Each end of the button has a function. Press the Menu> or <Menu button:

•AttheReady message, to take the printer Ready state

•AttheBusy message, to take the printer to the JOB MENU.

• When the printer is offline:

-PressMenu> to go to the next item in the menus, or

-Press<Menu to go to the previous item in the menus.

• Formenu items that have numerical values, such as Copies, press and hold Menu> to scroll forward, or <Menu to scroll backward. Release the button when the number you want displays.

Select Press the Select button to:

• Select the menu item shown on the second line of the display. Depending on the type of menu, this action:

- Opens the menu and displays the first item in the menu.

- Opens the menu item and displays the default setting.

• Save the displayed menu item as the new default setting. The printer displays the Saved message and then returns to the menu item.

)

and enter the menus.

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offline

(out of the

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Button Function Return Press the Return buttontoreturntothepreviousmenulevel.

Stop Press the Stop button:

•AttheReady,Busy,orWaiting message to temporarily stop all activity and take the printer offline. The printer operator panel status message changes to Not Ready.

Press Go to return the printer to the Ready state.

Printer Messages

The operator panel displays three types of messages:

• Status messages provide information about the current state of

the printer.

• Attendance messages indicate printer errors that you must

resolve.

• Service messages indicate printer failures that may require

servicing.

When the Ready status message displays, the printer is ready to receive a print job.

While a job is printing, the Busy status message appears on the first line of the operator panel display.

General Information 1-5

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Operator Panel Menus

Menus make it easy for you to change printer settings. Some menus appear only if a specific option is installed in the printer. Other menu items may only be effective for a particular printer language. You can select these values at any time, but they only affect printer function when you use the specified printer language.

An asterisk (*) next to a value indicates the original factory default setting and may vary for different countries. When you select a new setting from the operator panel, the asterisk moves next to the selected setting to identify it as the current user default. These settings are active until new ones are stored or the factory defaults are restored. Changes made from a software application or driver override the user default settings made from the printer operator panel.

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Printing the Menu Settings Page

The menu settings page shows current settings for the menus and a list of installed options. You can use this page to verify that the printer options are properly installed and the printer settings are properly set.

Note: Beforeprinting the menu settings page, make sure the Paper Type setting for the source is Plain Paper.

To print a menu settings page:

1. Make sure the printer is plugged in and the message appears on the display.

2. Press Menu> or <Menu to enter the menus.

3. Continue to press and release Menu> until you see

Ready status

Tests Menu.

4. Press Select.

Tests Menu appears on the first line and Print Menus is on

the second line.

5. Press Select to select The message Printing Menu Settings appears and remains on the operator panel display until the page prints. The printer returns to the Ready state after the menu settings page prints.

6. If you installed options, verify that they are listed on the menu settings page under “Installed Features.” If an option you installed does not appear on the page, unplug the power cord and reinstall the option.

Print Menus.

General Information 1-7

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Changing Printer Settings

You can use the operator panel to change printer settings and customize your printer to meet your specific needs. To select a new value as the default setting:

1. From the menus.

2. Continue to press and release Menu> or <Menu until the menu you need appears on the second line of the display.

3. Press Select. The menu opens and the first menu item in the menu appears on the second line of the display.

4. Press Menu> or <Menu until the menu item you need appears on the display.

5. Press Select. An asterisk (*) appears beside the current user default setting for that menu item.

Note: Some menu items have sub-menus. You must select another menu (such as

6. Press Menu> or <Menu until the value you need appears on the second line of the display.

7. Press Select. An asterisk (*) appears beside the value to indicate that it is now the user default setting. The display shows the new setting for one second and then clears. The then the previous list of menu items appears on the operator panel display.

8. Press Return to go back to previous menus or menu items and set new default settings.

9. Press Go to return to want to change.

Note: User default settings remain in effect until you save new settings or restore the factory defaults. Changes made from a software application override the user default settings made from the printer operator panel.

Ready state, press Menu> or <Menu to enter the

Tray1Type) before the available values display.

Saved message displays,

Ready if this is the last printer setting you

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Disabling the Operator Panel Menus

To disable the menus so that changes cannot be made to the printer default settings:

1. Unplug the printer.

2. While pressing Go and Stop,plugintheprinter.

3. Release the buttons when When the printer self test completes, the message appears. If you press

Menus Disabled message displays.

Performing Self Test displays.

Ready status

Menu> or <Menu,the

General Information 1-9

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2. Diagnostic Information

Use the error indicator table, symptom tables, service checks, and diagnostic aids to determine the printer failure.

Start

Service error indications are displayed on the operator panel. If your printer displays an error indication, locate the error number in the

“Error Indicator Table” on page 2-2 and take the indicated action.

Unplug the printer to clear the error indicator.

Diagnostic Information 2-1

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Error Indicator Table

Error Symptom Action

900 RIP software Refer to the “Controller Board

Service Check” on page 2-9.

902 Engine error:

065 Address error 127 - 223 Software

detection error

910 930

931 939

941 RIP code - CRC Refer to the “Controller Board

943 RIP font version Replace Font SIMM. 944

945 946

Carrier stall Printhead error

Incomplete print RIP - engine

communication

Processor failure ASIC failure SRAM failure

Replace the engine board, refer to the “Engine Board

Removal” on page 4-22.

Refer to the “Transport

Service Check” on page 2-24.

Checkthecontrollerboard cable connections. If the connections are good, replace the controller board, refer to the “Controller

Board Service Check” on page 2-9.

If the problem remains, replace the engine board, refer to the

“Engine Board Removal” on page 4-22.

Note: The controller software

can cause a 939 error.

Service Check” on page 2-9.

Refer to the “Controller Board

Removal” on page 4-20.

947 Engine board Replace the engine board, refer

to the “Engine Board

Removal” on page 4-22.

953 954 960

NVRAM chip failure NVRAM CRC failure Controller Board DRAM

defective

Replace the controller board, refer to the “Controller Board

Removal” on page 4-20.

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Error Symptom Action

961 DRAM in (J6) is bad Replacethememory SIMM card

in (J6).

975 Unrecognized network card Ifthe incorrect card is installed,

replace the card.

976

977

978

979

Unrecoverablesoftware error in network card

Communication error with network card

Network card checksum error

Flash/Network card error

Go to the “Options Service

Check” on page 2-13.

If the problem remains, replace the controller card.

Replace network card.

Diagnostic Information 2-3

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Power-On Self Test (POST) Sequence

Plug the printer in and check for a correct POST operation by observing the following:

1. The operator panel displays one row of rectangles followed by two rows of diamonds.

2. The printer indicator (green light) comes on.

3. Performing Self Test is shown on the operator panel display and then turns off.

4. The carrier moves to the center of the frame and returns to the maintenance station.

5. The paper feed motor turns.

6. The printer indicator light turns off and then back on.

7. Ready is displayed indicating that POST is complete.

If your pr inter completes POST with no errors, go to the “Symptom

Tables” on page 2-6, locate the symptom and take the indicated

action. If your pr inter does not complete POST, locate the symptom in the

following table and take the indicated action.

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Post Symptom Table

Symptom Action

Blank display, carrier moves, paperfeed motor turns

All diamonds on display Go to the “Operator Panel (LCD)

Performing Self Test

remainsondisplay,nomotorsturn Paper feed motor does not turn Go to the “Paper Feed Service

Transport motor does not turn Go to the “Transport Service

Carrier drives into left side frame Go to the “Transport Service

Printer indicator light does not light, or remains on

POST incomplete, printer indicator light on, no motors turn and Performing Self Test is displayed

Printer inoperable Go to the “Power Service Check” on

Go to the “Operator Panel (LCD)

Display Service Check” on page 2-12.

Go to the “Power Service Check” on

page 2-19.

Check” on page 2-15.

Check” on page 2-24.

Go to the “Operator Panel (LCD)

Display Service Check” on page 2-12.

Go to the “Power Service Check” on

page 2-19.

Performing Self Test

remains on display, transport and paperfeed motors turn

Replace in the following order:

• Code SIMM (if installed)

• Controller board

Diagnostic Information 2-5

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Symptom Tables

Locate the symptom in the following tables and take the appropriate action.

Carrier Transport Problems

Symptom Action

• No carrier movement

• Slow carrier movement

• Carrier stops

• Carrier strikes left side frame

Go to the “Transport Service

Check” on page 2-24.

Go to the “Transport Service Check

II” on page 2-25.

Communications Problems

Symptom Action

Printer not communicating with host computer

Go to the “Parallel Wrap Test” on

page 3-6.

Maintenance Station Problems

Symptom Action

• Fails to cap the printhead

• Fails to clean the printhead

Go to the “Maintenance Station

Service Check” on page 2-10.

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Operator Panel Problems

Symptom Action

Printer indicator light does not:

•Turnon

•Flash

•Turnoff

• All diamonds One or two pels missing Replace the operator panel assembly. Only one button inoperative Replace the operator panel assembly. More than one button inoperative Go to the “Operator Panel (Buttons)

All diamonds on display Go to the “Operator Panel (LCD)

Go to the “Operator Panel (LCD)

Display Service Check” on page 2-12.

ServiceCheck”onpage2-11.

Display Service Check” on page 2-12.

Paper Feed Problems

Symptom Action

Paper fails to stop at first print line

• Fails to pick paper

• Picks more than one sheet of

paper

• Picks paper but fails to feed

• Paper jams

• Paper fails to exit

• Noisy paper feed

• Paper skews

Go to the “Paper Feed Service

Check” on page 2-15.

Paper does not feed, motor does not turn

Paper does not feed motor attempts to turn

Go to the Paper Feed Service Check

“Paper does not feed - paper feed motor does not turn” on page 2-16.

Go to the Paper Feed Service Check

“Paper does not feed - paper feed motor turns in only one direction” on page 2-17.

Diagnostic Information 2-7

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Power Problems

Symptom Action

Printerinoperable Gotothe“Power Service Check” on

page 2-19.

Print Quality Problems

Symptom Action

• Voids in characters

•Lightprint

• Prints off the page

•Fuzzyprint

• Carrier moves but does not print

• Printhead drying prematurely

• Vertical alignment off

• Excessive ink flow (Flooding)

• Horizontal banding

• Ink smearing

• Vertical streaks on paper

• Print lines crowded

Go to the “Print Quality Service

Check” on page 2-21.

Go to the “Paper Feed Service

Check” on page 2-15.

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