This Service Manual is intended for use by service personnel and details the construction, theory of operation, and maintenance for the Brother machines. Mfccw Repair Manual. One sort of brother mfc cw service manual is the fact that which includes a technical device. It may help explain installation. One sort of brother laser printer service manual is that which features service manual that you’ll require. SERVICE MANUAL BROTHER MFC CW. Brother .

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Page 3 Manaul This Service Manual is intended for use by service personnel and details the specifications, construction, theory of operation, and maintenance for the Brother machines noted on the front cover.


Page Preparation Prior to proceeding with the disassembly procedure, 1 Be sure to back up the machine information and user data into an external memory. Consisting of thin piezoelectric plates laminated together, this plate 6490xw be driven even by a low voltage. Carriage motor 11 Remove the carriage motor from the engine unit by removing the two screws.

To open downloaded files you need acrobat reader or similar pdf reader program. Page 61 The scanner mechanism offers two types of scanning: Open to place the document original on the scanner glass. Page 81 – Purge manua, This rotating cam drives the pump switching unit, the air vent rods, and the head wiper.

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For the cleaning procedure, refer to for duplex print models Chapter 8, Section 8. Link gear holder DX ASSY for duplex print models 2 If the ink absorber box has not been removed, pull out the main drain tube from the ink absorber box. When the purge cam is in a head capping position and the head cap unit fits tightly over the print head, the pump switching unit is switched to the opening tube to the atmospheric air so that the pressure in the head caps and air vent cap returns to the normal atmospheric pressure.


This procedure allows you to reset the purge count. Adjustment of discharging conditions of all nozzles I: Page 11 Remove the screw from the document guide gear, then take the document guide gear and its spring out of the upper ADF chute. No alarm 0 1: No loop current detected. Page DX flapper drive mechanism The rotational torque of the ASF motor is transmitted to the cap lift cam gear in the maintenance unit. WSW52 Function setting 17 Not used. Enable printing Not used.

In order to check whether the printer driver is successfully installed, click Start Settings Printers to call up the Printers window.

CIS defective Replace the scanner cover scanner unit.

Page Document front and rear sensor actuators, document width sensor actuator, document sensor PCB, and document width sensor PCB 25 At each of the document front and rear sensor actuators and the document width sensor actuator, lightly press the corresponding lock arm, slide the actuator towards the lock arm, and remove it together with the corresponding actuator spring.

Paper pull-in idle gear and paper pull-in roller L Apply a 3 mm diameter ball of grease Molykote Brothsr to the lubrication point on the paper pull-in idle gear as shown below.

Then remove the two spring caps zervice take the pressure roller springs out of the ADF cover. Purge cam switch harness not Correct the connection to the connected correctly Ink cartridges 1 Check that all of four ink cartridges are loaded.

Page 7 With the “2.

Brother DCP6690CW Service Manual

Next press the key four times. How this manual is servicee This manual is made up of nine chapters and appendices. At the start of a disassembly job, you check the disassembly order flow that guides you through a shortcut to the target components. The Filedrgs window appears as shown below.

Page 98 LT mode Paper tray 2 The machine has paper tray 2, from which paper is fed into the printing section in the LT mode. Page 8 At the rear of the machine, remove the two screws that secure the two scanner hinges. No dial tone detected before start of dialing. Do not pull the control panel ASSY away from the machine since it is connected to the machine with harnesses. Illegal recording width requested. Operating Procedure 1 Press the 1 and 0 keys in this order in the initial stage of the maintenance mode.


On the lower cover Head property code Production lot number If the planetary arm does not move smoothly, clean it. Page Most sensors are photointerrupters consisting of a light-emitting diode and a light-sensitive transistor as shown below.

See the illustration below. Actuator’s end Light-emitting Light-sensitive Backup Procedure 1 On the PC, create a “Brother” folder in an external memory to be used for saving backup data. However, the machine may fail to detect the CI signal normally due to noise superimposed at the time of reception. Operating Procedure 1 Press the 8 and 2 keys in this order in the initial stage of the maintenance mode. Page Error codes for all models Error Code Symptom Probable Cause Solution Hex Cannot identify the type Ink cartridge not loaded Reload the corresponding ink of the ink cartridge correctly cartridge.

Page 73 [ Tip: Page 11 General communications-related Code 1 Code 2 Causes Unable to receive the next-page data.

Document ejection roller ASSY 19 At each of the support plates, pull a pair of lock arms on the lower ADF chute outwards and release the support plate. Unidirectional print for higher print quality The machine prints bidirectionally by default. Models with touch panel Press the Menu key on the touch panel and the Black Start Mono Start key on the control panel. Busy tone detected before dialing. broher

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