Brother GT-3 Series Betriebsanleitung

All useful information to succeed in your printing business

THE GT-3 SERIES

A maintenance guide for all GT-3 Series users

v 1.1

> Mandatory Temperature & Humidity Requirements:

MIN

TEMPERATURE

MAX

HUMIDITY

MIN

MAX

ENVIRONMENTAL CONDITIONS

There are several maintenance procedures that must be performed on a daily, weekly, or

prompted basis to help keep your printer performing properly.

This guide will list the maintenance items that must be performed.

Please see the individual technical guide for each specic maintenance procedure for step by

step instructions.

> HOW TO DO A NOZZLE TEST ?

> HOW TO DO A PRINT HEAD CLEANING ?

Always place the Platen at level A

Menu > Test Print > Nozzle Check CMYK > OK to check colors on white paper sheet

Menu > Test Print > Nozzle Check White > OK to check whites on transparent or black sheet

If not all the nozzles are ring, start a Head Cleaning

Only a few nozzles missing, then Head Cleaning >Normal Cleaning ... and select PH + OK

If more then 10 nozzles, perform Head Cleaning >Powerful Cleaning ... and select PH + OK

Perform a new Nozzle Test to check the result and redo if not all nozzles are ring

PHC

NZC

FIRST BASIC STEPS

OVERVIEW OF GT3 MAINTENANCE

After performing the daily maintenance on the white ink,

a nozzle check should be printed

DAILY MAINTENANCE

If the printer has printed with white ink within the last eighteen hours...

18H

> Daily Cleaning White

> White Agitation

> Shaking White Ink

The White ink contains titanium dioxide which helps provide vibrancy.

This will separate after being stationary for more than eighteen hours.

Dull prints will result if the ink is not agitated before use.

Shake the white ink cartridges side to side and tip end over end for 45 seconds.

> TIP

+PHCNZC &

> No matter if you will have to do the or , you must BEFORE !

DCW WA SWI

If the printer has printed with white ink a minimum of 15 T-shirts the day

before...

minimum

If the printer has not printed with white ink a minimum of 15 T-shirts the

day before...

minimum

If the printer has not printed with white ink within the last eighteen hours

18H

DCW SWI

Then the must be performed after the

minimum

Then the could be performed after the SWI

minimum

>WA

White ink requires weekly maintenance. CMYK ink does not requires weekly mainte-

nance. The white ink system requires a weekly cleaning.

The LCD Display will prompt you when the White Tube Cleaning should be performed.

The prompt will appear seven days after the completion of the previous White Tube

Cleaning.

> WEEKLY MAINTENANCE PROCEDURE

> White Tube Cleaning

> How to RESTART after White Tube Cleaning

> CAPPING CARTRIDGES

Menu > Maintenance > White Tube Cleaning > All Whites > OK and follow instructions on the display

Menu > Maintenance > Load White > All Whites > OK and follow instructions on the display

WEEKLY MAINTENANCE

Shaking White Ink Before Loading the White ink !

Select“All Whites”for usual maintenance. This will activate the retrieval solenoid for 4

minutes, to drain the white ink of the tubes back into the white ink cartridges.

After WTC, insert White Filter cartridges or Capping cartridges in the white ink lines.

If you intend to leave the printer idle for longer than the weekend, it is a good idea to put

Capping cartridges instead of Filter cartridges in the white ink lines.

If you don’t have those cartridges, use 2 or 4 almost empty white cartridges, they will

keep the line sealed (no air) and prevent the maintenance solution to drip from the PH’s.

Don’t forget to mark or label those cartridges to avoid confusion !

After performing the White ink loading,

a nozzle check should be printed.

+PHCNZC &

Please note then 1 week after the you will be prompted by the

display to perform a new automatically.

If you have not printed with white ink and if you still have maintenance

solution in the machine, you can dismiss the message.

WTC

week

days

Visual inspection is important to keep your printer up and running.

Verify all the moving parts of the machine and also check for leakage of ink.

After you have done the WTC, take the opportunity to clean the rubber Wiper Blades

to avoid the white ink to dry and stay on the Wiper. It will prevent dry particules of ink to

block the nozzles during the next cleaning.

Also clean all the caps of the maintenance station (specially the rectangle lip) to remove

again dry ink but also some u and lint of the T-shirts. They will allow the air to pass

through the capping station and reduce the good suction of the pump.

The wiper cleans the underside of the print heads to allow the

nozzles to re properly. The wiper is cleaned by passing across

the wiper cleaner.

Once this cleaner is dirty or over saturated, the wiper edge can

no longer be cleaned and therefore no longer clean the nozzle

plates.

Apply cleaning solution to a swab and wipe across the front

and backside of the 2 wiper rubber blades.

Check the wiper edge for any tear or separation from the metal base. If any exists, the

wiper sub-assembly must be replaced by a new one.

Once the wipers are clean, the cap rubbers must be cleaned with the swabs as well. The

rims of the cap rubbers press against the bottom of the print heads, Nozzle Plates, to

form a seal so air cannot dry the heads. If the rims of the caps have debris, dried or exces-

sive ink, the ink will back away from the membrane and nozzles will misre.

If this continues over time, the print head will dry and eventually become defective.

Power on the printer. The printer will boot up as normal except it will drain each cap,

one at a time, before it moves the carriage.

Moisten a swab as done for the wiper blade cleaning, and

swab the edges of the cap rubber.

Use one side of a swab per cap so you do not contaminate

one color to another.

Once all of the caps have been cleaned, insert the new wiper

cleaner. The wiper blades should be in the center, between

the two sets of cap rubbers.

> WEEKLY ADDITIONAL MAINTENANCE PROCEDURE

> RUBBER CAPS CLEANING:

> WIPER BLADES CLEANING:

ADDITIONAL WEEKLY MAINTENANCE

+SPARE PARTS NUMBER: SB3635001

Load White

Week

361

381

Mon

> WHITE Maintenance Standard Procedure for GT3 Series

Tue

DCW

Wed

DCW

Thu

DCW

Fri Sat

Sun

White Tube Cleaning

Shaking White Ink Everyday before operating !

Daily Cleaning White

White Agitation

Week

361

381

> 5 working days a week example Min. 15 white prints a day !

WTC

DCW

WTC

DCW

Tue

Wed

Thu

Fri

Sat

Sun

Week

361

381

Mon

> 3 or 4 working days a week example Min. 15 white prints a day !

WTC LW

WTC

Tue

Wed

Thu

DCW

Fri

White Tube Cleaning Daily Cleaning White

Cleaning & Greasing

WTC

WTC LW

Mon

Load White

Week

361

381

Mon

> WHITE Maintenance Standard Procedure for GT3 Series

Tue

DCW

Wed

DCW

Thu

DCW

Fri Sat

Sun

White Tube Cleaning

Shaking White Ink Everyday before operating !

Daily Cleaning White

White Agitation

Week

361

381

> 5 working days a week example Min. 15 white prints a day !

WTC

DCW

WTC

DCW

Tue

Wed

Thu

Fri

Sat

Sun

Week

361

381

Mon

> 3 or 4 working days a week example Min. 15 white prints a day !

WTC LW

WTC

Tue

Wed

Thu

DCW

Fri

White Tube Cleaning Daily Cleaning White

Cleaning & Greasing

WTC

WTC LW

Mon

STANDARD MAINTENANCE SCHEDULE

ONLY FOR USERS PRINTING A MINIMUM OF 15 PRINTS

WITH WHITE INK ON BLACK OR DARK T-SHIRTS A DAY !!!

minimum

MAINTENANCE with WHITE AGITATION SCHEDULE

STANDARD MAINTENANCE SCHEDULE

> MONTHLY MAINTENANCE PROCEDURE

Monthly Maintenance has to be performed on top of the Daily & Weekly Maintenance.

The purpose is to keep the printer in the best status for printing without problems.

Remenber that it is better to spent 15 minutes every month than to be with machine

down for several days !

We recommend you to do the cleaning and greasing of the CR shaft, cleaning CR rail

and a good visual inspection of the printer.

Unscrew the knob on the felt supports and

remove them.

Pour a little alcohol (95% or higher) on a

cloth and clean the rail thoroughly.

Remove and replace the felts on the bottom

of the felt supports in accordance with the

“Maintenance Parts Exchange”.

Pour alcohol (95% or higher) on a cloth and

clean the carriage shaft thoroughly.

When clean, coat the shaft with Molykote 30

white grease.

Don’t forget to grease between the 2 bearings

in the middle of the carriage.

MOLYKOTE 30

CLEAN the rail with ALCOHOL 95°

Reattach both felt supports and tighten the knob screw.

Add also a little bit of Molykote 30 grease at the bronze sprocket of the CR Motor.

+SPARE PARTS NUMBER: SB3229001

MONTHLY MAINTENANCE

CARRIAGE SHAFT CLEANING & GREASING

CARRIAGE RAIL CLEANING

After cleaning & greasing the Carriage Shaft, please,perform a CR Speed

Adjustment on the machine !

> FAN FILTER REPLACEMENT:

MAINTENANCE PARTS EXCHANGE

> WIPER CLEANER REPLACEMENT:

> MAINTENANCE PARTS EXCHANGE PROCEDURE:

PH Cl.

The 2 wiper cleaners , the fan lter, the ushing tray sponge and felt pads, and the

carriage felt pads need to be replaced in the MPE procedure.

The prompt to “Exchange Maintenance Parts”will occur after EIGHTY head cleanings

(normal, powerful, or auto).

Normally after this amount of cleanings, the wiper cleaner will be saturated to the point

where the wiper can no longer be cleaned.

When this happens, the nozzle plate will not be cleared and the nozzles may be blocked

or the ring may be misdirected.

The Wiper Cleaner needs to be replaced reg-

ularly according to MPE or visual inspection.

Clean the Print Head Caps and Wiper Blade

before replacing the Wiper Cleaner !

The fan lter collects the mist from the print head spray from

the exhaust provided by the fan.

> Remember to place the new lter with the “Coarse” side in-

serted into the bracket.

> The air ow should enter the rougher side.

Menu > Maintenance > Maintenance Parts Exchange > OK follow instructions and turn o printer

+SPARE PARTS NUMBER: SB3101001

+SPARE PARTS NUMBER: SB3018001

It is important that you use this menu and not another one to replace MPE

parts because it will reset the internal counter to zero!

COARSE

AIR FLOW FINE

> FLUSHING TRAY FELT & SPONGE REPLACEMENT:

> CARRIAGE FELTS REPLACEMENT:

CAP FELT REPLACEMENT

Insert the felt into the ushing plate.

Place the sponge on top of the felt.

Install back the assembled ushing plate into the machine.

Check that the ushing plate is well inserted and sittting in

an horizontal position to avoid touching the PH’s in move-

ment !

The Carriage contains 2 brackets on the front edge that

hold 4 felt pads onto Velcro inserts.

The carriage assembly has 2 wheels that ride along the front

rail.

The pads keep the rail clean to help allow the carriage move

unrestricted and smooth.

Be carefull not to bend the 2 brackets, it may end up with errors

(i.e. 6107. 6108) and also, do NOT put oil on the felts !

When needed, you can replace the cap felt sitting in between

the two sets of four caps.

Just lift it and place a new one instead.

+SPARE PARTS NUMBER: SB 3004001

+SPARE PARTS NUMBER: SB 2652101

+SPARE PARTS NUMBER: SB 3006001

+SPARE PARTS NUMBER: SB 3005001

REPLACE those 2

SPONGE & FELT

ENCODER STRIP CLEANING

Loosen the four black thumb screws (do not remove) on

the encoder cover, and remove the cover.

Slide the carriage to the right side of the machine.

Take the encoder cleaning tool, and apply isopropyl

alcohol (95% or higher) to the felt portion.

Gently slide the tool across the encoder strip, remem-

bering to move the carriage to get the other side of the

strip.

Once done 2 or 3 times, remove the encoder tool being

very careful not to damage the strip.

Attach the cover back and tighten the 4 thumb screws.

Turn the machine on.

Menu > Maintenance > CR Encoder Strip Cleaning > OK follow instructions and turn o printer

4 x

ALCOHOL 95°

After cleaning the Encoder Strip, perform a

CR Speed Adjustment on the machine !

MIN

TEMPERATURE

MAX

SUNLIGHT

AVOID DIRECT

EXPOSURE

Please keep in mind when storing the inks:

INK STORAGE RECOMMENDATIONS

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