Brother FAX-1840C

Рейтинг

Снят с производства

Тип устройства

МФУ

Технология печати

термическая струйная

Макс. формат

Цветность печати

цветная

Общие характеристики
Копир
Тип	струйный
Тип устройства	МФУ
Телефон
Факс
Печать фотографий
Сканер
Макс. формат	A4
Цветность печати	цветная
Размещение	настольный
Технология печати	термическая струйная
Принтер
Прямая печать
Пигментные чернила
Двусторонняя печать
Печать без полей
Макс, разрешение для ч/б печати
По X	1 200
По Y	600
Копир
Шаг масштабирования	0,01
Макс, количество копий за цикл	99
Значение масштаба
Минимальное	0,25
Максимальное	4
Макс, разрешение (ч/б)
По Y	600
По X	600
Скорость ч/б копирования
A4	17
Скорость цветного копирования
A4	11
Сканер
Отправка изображения по e-mail
Стандарт TWAIN
Стандарт WIA
Расходные материалы
Печать на:
Глянцевой бумаге
Карточках
Пленках
Этикетках
Фотобумаге
Матовой бумаге
Конвертах
CD/DVD
Рулоне
Плотность бумаги
Минимальная	60
Максимальная	163
Факс
Макс, скорость передачи данных	14,4 Кбит/с
Память	250
PC Fax
Цветной
Телефон
Спикерфон
Беспроводная трубка
АОН
Caller ID
Автоответчик
Стандарт DECT
Проводная трубка
Языки управления
PostScript 2
PostScript
PDF
PostScript 3
PCL 5c
PPDS
PCL 5e
PCL 6
Лотки
Подача бумаги
Стандартная	100
Вывод бумаги
Стандартный	50
Финишер
Брошюровщик
Сортер
Электронная сортировка
Сортировка со сдвигом
Степлер
Интерфейсы
USB
Устройство для чтения карт памяти
Веб-интерфейс
RS-232
Инфракрасный порт
LPT
Bluetooth
Wi-Fi
FireWire (IEEE 1394)
Ethernet (RJ-45)
Версия USB	2,0
Память/Процессор
Объем памяти	8
Дополнительная информация
Экран
Поддержка ОС
Windows
Mac OS
Linux
DOS
Потребляемая мощность
При работе	23
Уровень шума
При работе	45
Габариты
Глубина	525
Вес	5,7
Высота	279
Ширина	388

Коды ошибок

26, 27, 28, 29

50, 51

54, 55

60, 61, 62

D0...DF

E2, E3

F3, F5

Описание

Парткод

LC-900HYBK

Название

Brother Струйный картридж черный увеличенной емкости

Error code:	26, 27, 28, 29
Description:	Running out of ink.
Remedy:	Running out of ink 26: Black ink 27: Yellow ink 28: Cyan ink 29: Magenta ink Replace or reload the ink cartridge. Ink empty sensor PCB defective Replace the ink refill ASSY. Main PCB defective Replace the main PCB.

Error code:	3X
Description:	Head/carriage unit travel error
Remedy:	Any obstacles on the travel path of the head/carriage unit Clean the CR guide rail and CR support chassis. Carriage PCB broken Replace the carriage PCB. Head/carriage unit broken Replace the head/carriage unit. CR encoder strip stained or scratched Replace the CR encoder strip. Carriage motor broken Replace the carriage motor. Main PCB defective Replace the main PCB. Power supply PCB defective Replace the power supply PCB. Maintenance unit defective Replace the maintenance unit.

Error code:	40
Display:	Scanner locked
Description:	10-348 ERROR 40 FUSER MAIN LAMP FAILURE Note If this failure reoccurs three times successively, an Engine NVRAM value is set preventing further printer use until the Clear Tech Rep Fault, Clear <10-348 & 10-350> is run.
Causes:	1. Deformed paper sensor actuator or faulty sensor. 2. SMPS PBA or Main PBA is defective 3. Faulty cables or connectors.
Remedy:	Switch printer power OFF. Remove the Fuser Assembly. Warning Fuser may be very hot. Use extreme caution to prevent burns. Measure the resistance between the Fuser Assembly connector P600-4 and P600-6. Does the resistance measure between 20K and 100K ohms? Y↓N→ Replace the Fuser Assembly. Reinstall Fuser. Remove the Rear Cover, Rear Shield and the Rear Shield Bracket. Measure the resistance between P404A-1 and P404A-2 on the Engine Control Board. Does the resistance measure between 20K and 100K ohms? Y↓N→ Repair or replace the wiring harness between the Engine Control Board and the Fuser. Replace the Engine Control Board.

Error code:	41
Display:	Self Diagnostic LSU
Description:	Install or Reseat Fuser, Code 41 Front thermistor open error. This is a cold condition. Note If this failure reoccurs three times successively, an Engine NVRAM value is set preventing further printer use until the Clear Tech Rep Fault is performed.
Causes:	• Fuser • Engine Control Board
Remedy:	1 1. Turn OFF power and remove the Fuser Assembly. 2. Measure the resistance between the fuser connector P600-4 and P600-6. 3. Does the resistance measure between 30 K and 190 K Ohms? Go to step 2. Replace the fuser assembly. 2 1. Reinstall the fuser assembly. 2. Enter service diagnostics. 3. From the Sensor Tests run the Fuser Temperature test. 4. Is the temperature indicated approximately 165o C? Replace the engine control board. Go to step 3. 3 1. Turn OFF printer power. 2. Check for an open circuit or poor connection between J600-4 to J600-6 to J404A-2. 3. Is the wiring OK? Replace the engine control board. Repair or replace the wiring harness.

Error code:	42
Display:	Self Diagnostic Temperature
Description:	10-352 ERROR 42 FUSER STS (FRONT) WARM TIME FAILURE
Causes:	1. The ‘Open Cover’ microswitch may be stuck or faulty 2. The tab on the front cover may be damaged or broken 3. Check the connector and cables between Switch and main PBA.
Remedy:	Measure the resistance between the Fuser Assembly connector P600-1 and P600-3. Does the resistance measure approximately 6 ohms for a 110 VAC Fuser or approximately 20 ohms for a 220 VAC Fuser? Y↓N→ Replace the Fuser Assembly. Measure the resistance between the Fuser Assembly connector P600-4 and P600-6. Does the resistance measure between 20K and 100K ohms? Y↓N→ Replace the Fuser Assembly. Reinstall Fuser. Remove the Rear Cover, Rear Shield and the Rear Shield Bracket. Measure the resistance between P404A-1 and P404A-2 on the Engine Control Board. Does the resistance measure between 20K and 100K ohms? Y↓N→ Repair or replace the wiring harness between the Engine Control Board and the Fuser. Reinstall the Fuser. Switch printer power ON. Does the Fuser get warm? Y↓N→ Replace the Chassis AC Power Assembly. Replace the Engine Control Board.

Error code:	43
Display:	Send Error (AUTH)
Description:	10-353 ERROR 43 FUSER SSR1 ON TIME FAILURE
Causes:	1. The ‘Open Cover’ microswitch may be stuck or faulty 2. Check the connector and cables between Switch and main PBA.
Remedy:	Measure the resistance between the Fuser Assembly connector P600-1 and P600-3. Does the resistance measure approximately 6 ohms for a 110 VAC Fuser or approximately 20 ohms for a 220 VAC Fuser? Y↓N→ Replace the Fuser Assembly. Measure the resistance between the Fuser Assembly connector P600-4 and P600-6. Does the resistance measure between 20K and 100K ohms? Y↓N→ Replace the Fuser Assembly. Reinstall Fuser. Remove the Rear Cover, Rear Shield and the Rear Shield Bracket. Measure the resistance between P404A-1 and P404A-2 on the Engine Control Board. Does the resistance measure between 20K and 100K ohms? Y↓N→ Repair or replace the wiring harness between the Engine Control Board and the Fuser. Reinstall the Fuser. Switch printer power ON. Does the Fuser get warm? Y↓N→ Replace the Chassis AC Power Assembly. Replace the Engine Control Board.

Error code:	44
Display:	Send Error (DNS)
Description:	Fuser Sub Lamp Overheat Failure, Code 44 The front thermistor has detected an overheat condition. Note If this failure reoccurs three times successively, an Engine NVRAM value is set preventing further printer use until the Clear Tech Rep Fault is performed.
Causes:	• Fuser • Engine Control Board
Remedy:	1 1. Turn OFF power, remove the fuser assembly and allow it to cool down. 2. Measure the resistance between the Fuser connector P600-7 and P600-9. 3. Does the resistance measure between 30 K and 190 K Ohms? Go to step 2. Replace the fuser assembly. 2 1. Reinstall the fuser assembly. 2. Enter service diagnostics. 3. From the Sensor Tests run the Fuser Temperature test. 4. Is the temperature indicated approximately 165o C? Go to step 4. Go to step 3. 3 1. Turn OFF printer power. 2. Measure the resistance between J641-4 and J641-5 on the engine control board. 3. Does the resistance measure between 30 K and 190 K Ohms? Go to step 4. Repair or replace the wiring harness. 4 1. Turn printer power back ON. 2. Is there ~+3.4 VDC between J590-3 and ground? Check the AC wiring harness to the fuser. If the check is OK, replace the AC drive assembly. Replace the engine control board.

Error code:	46
Display:	Send Error (SMTP)
Description:	10-354 ERROR 46 FUSER STS (REAR) WARM TIME FAILURE
Causes:	1. Check stability of 24V supply to LSU.
Remedy:	Measure the resistance between the Fuser Assembly connector P600-1 and P600-3. Does the resistance measure approximately 6 ohms for a 110 VAC Fuser or approximately 20 ohms for a 220 VAC Fuser? Y↓N→ Replace the Fuser Assembly. Measure the resistance between the Fuser Assembly connector P600-7 and P600-9. Does the resistance measure between 20 ohms and 100 ohms? Y↓N→ Replace the Fuser Assembly. Reinstall Fuser. Remove the Rear Cover, Rear Shield and the Rear Shield Bracket. Measure the resistance between P404A-3 and P404A-4 on the Engine Control Board. Does the resistance measure between 20K ohms and 100K ohms? Y↓N→ Repair or replace the wiring harness between the Engine Control Board and the Fuser. Reinstall the Fuser. Switch printer power ON. Does the Fuser get warm? Y↓N→ Replace the Chassis AC Power Assembly. Replace the Engine Control Board.

Error code:	48
Display:	[Stop Pressed]
Description:	Fan Failure, Code 48 The machine logic detected a failure of the Fuser fan, LVPS fan, or rear fan.
Causes:	• Fuser Fan • LVPS Fan • Rear Fan
Remedy:	1 1. Enter service diagnostics and run the fan test. 2. Does the fuser fan rotate at a high speed? Go to step 4. Go to step 2. 2 1. Check for voltage at J222-4. 2. Does the voltage measure +24 VDC? Go to step 3. Check the wiring to the fuser fan, if the wiring is OK, replace the engine control board. 3 Does the front panel indicate the fans are ON? Replace the fan. Check the wiring to the fuser fan, if the wiring is OK, replace the engine control board. 4 Does the rear fan revolve at high speed? Go to step 7. Go to step 5. 5 1. Check for voltage at J552-1. 2. Does the voltage measure +24 VDC? Go to step 6. Check the wiring to the rear fan, if the wiring is OK replace the interface board. If the problem continues, replace the engine control board. 6 Does the front panel indicate the fans are ON? Replace the rear fan. Check the wiring tot he rear fan, if the wiring is OK, replace the engine control board. 7 Does the LVPS fan revolve at high speed? The fans are operating correctly. If the problem persists, replace the engine control board. Go to step 8. 8 1. Check for voltage at J214-4. 2. Is +24 VDC present? Go to step 9. Check the wiring to the LVPS fan, if the wiring is OK, replace the engine control board. 9 Does the front panel indicate the fans are ON? Replace the LVPS assembly. Check the wiring to the LVPS fan, if the wiring is OK, replace the engine control board.

Error code:	49
Display:	Tray 1 Paper Empty
Description:	There is no paper in the tray 1.
Causes:	Pressure roller thermistor, pressure roller lamp connector, MCU
Remedy:	Load paper in the tray 1.

Error code:	4F
Display:	Unable to print 4F
Description:	Head voltage drops quickly.
Remedy:	<User Check> - This may occur when the surrounding temperature is low. Increase the surrounding temperature before use. - Unplug the power cord from the outlet. Plug it again after several seconds and check if the problem has been resolved. 1 Head flat cable connection failure Reconnect the Head flat cable. 2 Carriage flat cable connection failure Reconnect the Carriage flat cable. 3 Carriage PCB defective Replace the Carriage PCB ASSY. 4 Head defective Replace the Head/carriage unit. 5 Power supply PCB defective Replace the Power supply PCB ASSY. 6 Main PCB defective Replace the Main PCB ASSY.

Error code:	52
Display:	Send Error (POP3)
Description:	Fan Failure One of the two fans has failed resulting in a fatal error.
Causes:	• Rear Fan, PL1.1.19 • Fuser Fan, PL5.3.31
Remedy:	1 Check the fans for damage or debris: • Fuser Fan, PL1.1.19 • Rear Fan, PL5.3.31 Is either fan damaged? Replace the defective fan. Go to Step 3. 2 Replace the defective fan. Does the error persist? Go to Step 3 Complete 3 Test the fans. Run the Service Diagnostics fan tests to isolate the defective fan. Did one of the fans fail? Go to the troubleshooting procedure for the specific fan. If both fans pass, replace the Engine Control Board.

Error code:	57
Display:	Toner Low
Description:	The toner cartridge is almost empty.
Remedy:	Take out the toner cartridge and thoroughly shake it. By doing this, you can temporarily reestablish printing operations.

Error code:	5A
Display:	Unable to print 5A
Description:	HVPS PCB failure (Developing bias voltage failure)
Causes:	HVPS PCB ASSY harness connection failure. HVPS PCB failure. Main PCB failure
Remedy:	1 HVPS PCB ASSY harness connection failure Check the harness connection between the HVPS PCB and main PCB. Then, reconnect them. 2 HVPS PCB failure Replace the HVPS PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Error code:	5B
Display:	Unable to print 5B
Description:	New toner detection lever malfunction
Causes:	New toner detection switch harness connection failure. New toner detection switch failure. Main PCB failure
Remedy:	1 New toner detection switch harness connection failure Check the harness connection of the new toner detection switch. Then, reconnect it. 2 New toner detection switch failure Replace the new toner harness ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Error code:	5C
Description:	It was detected that the size of the paper was less than the specified value.
Causes:	1 Engine PCB failure. 2 Main PCB failure.
Remedy:	1 Engine PCB failure Replace the engine PCB ASSY. 2 Main PCB failure Replace the main PCB ASSY.

Error code:	5D
Display:	Unable to print 5D
Description:	Overcurrent protection was activated in the driver IC during Purge cam operation.
Causes:	The driving current has exceeded the limit due to an abnormal load applied to the maintenance unit.
Remedy:	1 Foreign materials in the Maintenance unit part Remove foreign materials. 2 Maintenance unit defective Replace the Maintenance unit. 3 Main PCB defective Replace the Main PCB ASSY.

Error code:	5E
Display:	Unable to print 5E
Description:	Overcurrent protection was activated in the driver IC during Maintenance unit pump operation.
Causes:	The driving current has exceeded the limit due to an abnormal load applied to the maintenance unit.
Remedy:	1 Foreign materials in the Maintenance unit part Remove foreign materials. 2 Maintenance unit defective Replace the Maintenance unit. 3 Main PCB defective Replace the Main PCB ASSY.

Error code:	7D
Display:	Unable to clean 7D
Description:	Dirt on drum unit
Causes:	Dirt or dust on drum unit electrodes. HVPS PCB failure. Main PCB failure.
Remedy:	1 Dirt or dust on drum unit electrodes Clean the electrodes on the drum unit. ( p.271 "Electrodes location on the drum unit") 2 HVPS PCB failure Replace the HVPS PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Error code:	7E
Display:	Unable to print 7E
Description:	Head property information not input.
Remedy:	1 Head property information not input Input the head property information. 2 Main PCB defective Replace the Main PCB ASSY.

Error code:	7F
Description:	Fax paper setting mismatch (The setting paper becomes besides the A4/Letter/Legal/Folio.)
Causes:	Main PCB failure
Remedy:	1 Main PCB failure Replace the main PCB ASSY.

Error code:	80
Display:	ERROR 80 FORMAT
Description:	Engine Logic Board Failure, Code 80
Remedy:	1. Cycle power to the printer to clear the error. 2. Did this clear the error? Complete Replace the engine control board or the image processor board.

Error code:	82
Display:	h`********
Description:	Engine Logic Board RAM/ROM Failure, Code 82
Remedy:	1. Cycle power to the printer to clear the error. 2. Did this clear the error? Complete. Replace the engine control board.

Error code:	87
Display:	Paper Jam
Description:	Tray Lift Failure, Code 87 The tray level sensor does not detect that the tray has lifted. Examine the trays and paper feed assemblies for any physical damage before starting the troubleshooting procedure.
Causes:	• Tray Level Sensor • Paper Select Switch Assembly • Paper Feed Motor • Engine Control Board
Remedy:	1 Is the problem with Tray 2? Go to step 2. Go to step 7. 2 1. Pull out and then reseat Tray 2. 2. Does the lift motor operate? Go to step 3. Go to step 4. 3 1. Did the Error Code 87 clear from the front panel? Complete. This could be an intermittent problem. If the problem returns, replace in order: • tray level sensor • engine interface board Replace the engine control board. 4 1. Using Service Diagnostics test the tray 2 Sensors. 2. Does the level indicate H? Replace in order until resolved: • tray level sensor • No paper sensor • engine interface board • engine control board Go to step 5. 5 1. While still in diagnostics, pull out tray 2. 2. Does SW1-4: indicate LLLL? Replace in order until resolved: • paper-select switch assembly • engine interface board • engine control board Go to step 6 6 1. Reseat the paper tray. 2. Does SW1-4: indicate H in any position? Replace the paper feed motor. Replace in order until resolved: • paper-select switch assembly • engine interface board • engine control board 7 1. Pull out and then reseat the problem tray. 2. Listen for the motor, does the lift motor operate? Go to step 8. Go to step 9. 8 1. Did the Error Code 87 clear from the front panel? Complete. This could be an intermittent problem. If the problem returns, replace in order: • tray level sensor • engine interface board Replace the engine control board. 9 1. Using service diagnostics check the level sensor and no paper sensor. 2. Does the level indicate H? Replace in order until resolved: • tray level sensor • no paper sensor • LTA or HCF control board • engine interface board • engine control board Go to step 10. 10 1. While still in diagnostics, pull out tray 2. 2. Does SW(3,4,5)-4: indicate LLLL? Replace in order until resolved: • paper-select switch assembly • engine interface board • engine control board Go to step 11. 11 1. Reseat the paper tray. 2. Does SW(3,4,5,)-4: indicate H in any position? Replace the paper feed motor. Replace in order until resolved: • paper-select switch assembly • engine interface board • engine control board.

Error code:	8B
Display:	Unable to Print 8B
Description:	Paper jam in Tray 2
Causes:	Dirt on edge sensor. Harness connection failure of high voltage power supply PCB ASSY. Paper feeding kit worn out (MP/ Tray 1/ Tray 2). Registration front sensor failure. Main PCB failure
Remedy:	Clean the edge sensor. Check the harness connection of the high voltage power supply PCB ASSY in the appropriate tray, and reconnect it. Replace the paper feeding kit of the appropriate tray. Procedure described in "4.10 Sensor Operational Check (Function code 32)" in Chapter 6. If any problem occurs, replace the high voltage power supply PCB ASSY. Replace the main PCB ASSY.

Brother FAX-1840C

Общие характеристики

Копир

Тип

Тип устройства

Телефон

Факс

Печать фотографий

Сканер

Макс. формат

Цветность печати

Размещение

Технология печати

Принтер

Прямая печать

Пигментные чернила

Двусторонняя печать

Печать без полей

Макс, разрешение для ч/б печати

Копир

Шаг масштабирования

Макс, количество копий за цикл

Значение масштаба

Макс, разрешение (ч/б)

Скорость ч/б копирования

Скорость цветного копирования

Сканер

Отправка изображения по e-mail

Стандарт TWAIN

Стандарт WIA

Расходные материалы

Печать на:

Плотность бумаги

Факс

Макс, скорость передачи данных

Память

PC Fax

Цветной

Телефон

Спикерфон

Беспроводная трубка

АОН

Caller ID

Автоответчик

Стандарт DECT

Проводная трубка

Языки управления

Лотки

Подача бумаги

Вывод бумаги

Финишер

Брошюровщик

Сортер

Электронная сортировка

Сортировка со сдвигом

Степлер

Интерфейсы

USB

Устройство для чтения карт памяти

Веб-интерфейс

RS-232

Инфракрасный порт

LPT

Bluetooth

Wi-Fi

FireWire (IEEE 1394)

Ethernet (RJ-45)

Версия USB

Память/Процессор

Объем памяти

Дополнительная информация

Экран

Поддержка ОС

Потребляемая мощность

Уровень шума

Габариты

Глубина

Вес

Высота

Ширина

Error code:	8D
Description:	Paper jam near paper eject tray (When power on, it is detects by the eject sensor.)
Causes:	Paper eject actuator not operating smoothly catching in some position. Eject sensor PCB ASSY failure. Main PCB failure.
Remedy:	1 Paper eject actuator not operating smoothly catching in some position. Re-assemble the paper eject actuator. Ensure the paper eject sensor operates smoothly. 2 Eject sensor PCB ASSY failure Replace the eject sensor PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Error code:	8E
Description:	Error in the adjustment of inter-color position alignment result when implementing it.
Causes:	1 Harness connection failure of the registration mark L PCB ASSY or registration mark R PCB ASSY. 2 Registration mark sensor holder ASSY failure. 3 Main PCB failure.
Remedy:	1 Harness connection failure of the registration mark L PCB ASSY or registration mark R PCB ASSY Check the harness connection of the registration mark sensor holder ASSY and reconnect it. 2 Registration mark sensor holder ASSY failure Replace the registration mark sensor holder ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Error code:	8F
Display:	Unable to print 8F
Description:	Paper feed motor does not stop. The PF encoder sensor cannot detect the rotation of the Paper feed motor.
Remedy:	<User Check> - Release the release lever at the back of the Paper tray and remove the jammed recording paper in Jam clear cover part, Platen part and front part. 1 Foreign materials in the recording paper feeding path Remove foreign materials. 2 Paper feed motor harness connection failure Reconnect the Paper feed motor harness. 3 PF encoder sensor harness connection defective Reconnect the PF encoder sensor harness. 4 PF encoder disk defective Replace the PF encoder disk. 5 PF encoder sensor defective Replace the PF encoder sensor PCB ASSY. 6 Paper feed motor defective Replace the Paper feed motor. 7 Main PCB defective Replace the Main PCB ASSY.

Error code:	A1
Display:	Cover is Open
Description:	Jam at Door A
Causes:	• Tray 1 (MPT) Feed Roller, PL10.1.53 • Tray 1 (MPT) Pick Roller, PL10.1.43 • Tray 1 (MPT) Retard Roller, PL10.1.16 • Registration Clutch #1, PL8.1.85 • Tray 2 Registration Motor, PL4.2.36 • Tray 2 Feed Motor, PL4.2.35 • Front Sensor Board, PL4.2.97
Remedy:	1 Check the following for evidence of fault, dirt, debris, or damage: • Tray 1 (MPT) Feed Rollers • Registration Rollers • Sensor Actuator Is there any damage or debris? Clean or replace the appropriate parts. Go to Step 2. 2 Test the Registration #1 Sensor. Run the Service Diagnostics Registration Entrance Sensor test. Does the sensor operate correctly? Go to Step 3. Replace the actuator. If the error persists, replace the Front Sensor Board. 3 Test the Feed Motor, Registration Motor, and Registration Clutch #1. Do the components function correctly? Replace the Engine Control Board. Go to Step 4. 4 Check the harness for each motor and clutch. Are the wiring harnesses properly connected and free from defects? Replace the Engine Control Board. Replace the wiring harness and/or the problem motor/ clutch.

Error code:	A2
Display:	DOCUMENT JAM
Description:	Jam at Door A
Causes:	• Duplex Unit, PL16.1.0
Remedy:	1 Check the following for evidence of fault, dirt, debris, or damage: • Door A • Door D • Duplex Unit Rollers • Duplex Unit connector • Duplex Sensors and Actuators Is there any damage or debris? Clean or replace the appropriate parts. Go to Step 2. 2 Test the Duplex Unit sensors. Run the Service Diagnostics for each of the four Duplex Unit sensors. Do the sensors and actuators function correctly Go to Step 3. Replace the damaged sensor. 3 Test the Duplex Unit motors. Run the Service Diagnostics Duplex Motor tests. Do the motors function correctly Go to Step 4. Replace the Duplex Unit 4 Inspect the wiring harness for the Duplex Unit. Is the wiring harness properly connected and free from defects? Replace the Duplex Unit. Replace the Engine Control Board.

Error code:	A5
Display:	Unable to Scan A5
Description:	ADF interlock
Causes:	Scanning failure.
Remedy:	1 Scanning failure Turn the power switch off and on. Then, try scanning again.

Error code:	A6
Display:	A6-Bypass Feeder Jam
Description:	Paper did not exit the Multi-sheet Bypass Feeder properly, causing a paper jam. Open Cover A and refer to the labels on the printer to clear the jam.
Causes:	FB unit failure. Main PCB failure.
Remedy:	1. Ensure the correct weight and type of paper is loaded in the feeder. Also ensure the paper is loaded correctly in the feeder. 2. Clean the bypass feeder’s pick roller. 3. Test the main feed motor as described in “Motor and clutch tests”. Replace the main feed motor. 5. Replace the engine controller board.

Error code:	A7
Display:	A7-Duplex Entry Jam
Description:	Paper did not enter the duplex module properly, causing a paper jam. Open Cover A and refer to the labels on the printer to clear the jam.
Causes:	Power supply fan error
Remedy:	1. Ensure the correct weight and type of paper is loaded in the currently used tray. Also ensure the paper is loaded correctly in the tray. 2. Clean the duplex unit’s rollers. 3. Test the duplex motor and clutch as described in “Motor and clutch tests”. Replace the duplex unit. 5. Replace the engine controller board.

Error code:	A8
Display:	Unable to Scan A8
Description:	ADF exit interlock
Causes:	Ozone fan error
Remedy:	Replace the CCD module. Replace the main PCB ASSY.

Error code:	AC
Display:	Unable to Scan AC
Description:	OPC home and IT home are not synchronous.
Causes:	OPC asynchronous with intermediate transfer unit
Remedy:	1 White level data failure Carry out maintenance 55 to obtain white level data. 2 White reference tape of document pressure bar of ADF cover stained Clean the white reference tape of document pressure bar of ADF cover. 3 Second side CIS unit defective Replace the second side CIS unit. 4 White reference tape of document pressure bar of ADF cover damage, broken Replace the ADF cover. 5 Main PCB defective Replace the main PCB ASSY.