Ricoh Ri 1000 Bedienungsanleitung

RICOH

Ri 1000

Troubleshooting

Guide

Issue/ Error

Possible reason

Countermeasure

1) Fuzzy blurry prints

Table height is to low

For most T-shirts the indicator

below the height adjustment knob

on the table should be set to 0 or

near 0. The best printing is achieved

when the print head is 1.5mm away

from the printing surface

Too much ink (oversaturated)

causing bleeding (mostly for

white or light shirts without

pretreat

Check the settings in the RIP -

especially rendering intent

(perceptual is default and should be

used in most cases). Make sure the

ink set and profiles are correct.

Profiles meant for 600 x 600 dpi will

have to much ink if 1200 X 1200 dpi

output is selected

Nozzle check shows all

nozzles but some areas show

deflection. (See section 6.1

Nozzle check)

perform head clean or cleans and

recheck nozzle to see if the

deflection is gone

For dark shirt with a white

under base- poor pretreat -

Not enough pretreat can

make the white can CMYK

areas of print to appear dull

or fuzzy. Especially if a

section of the print appears

sharp and another section

appears dull or fuzzy

See section 5 user manual

Head alignment is off

Perform head alignment procedure

(see section 7.1) make sure to rule

out the above reasons before this

adjustment

2) Horizontal banding -

thin horizontal lines

across the entire shirt

Nozzles missing - if nozzle

check shows some nozzle

missing

Perform head cleans until the CMYK

nozzles are 100%

Nozzles all there but some

showing minor deflection

Check table height - the effect of

any deflection will be exaggerated if

the printing surface is too far away

from the head - For most T-shirts

the indicator below the height

adjustment knob on the table

should be set to 0 or near 0. The

best printing is achieved when the

print head is 1.5mm away from the

printing surface

Perform head cleans until the

deflection is reduced

Nozzles 100% and little to no

deflection

Perform table alignment procedure

(see section 7.2)

3) Horizontal banding -

thick horizontal lines

across the entire shirt

Nozzles 100% - appears in

solid colors of dark or gray -

bi directional banding - has to

do with the colors laying

down in different sequence

depending on which direction

the carriage is traveling

Uncheck the bi directional box in the

RIP.

Nozzles 100% - appears in

solid colors - the color is

inconsistent in the scanning

direction of the carriage. This

is caused by the different

drops of CMYK not combining

consistently

This can show in Speed Quality

mode for CMYK - Print in Fine

Quality mode for CMYK - if still

persists - print in 1200 X 1200 dpi

(Kothari RIP) or Superfine

4) Several nozzles out –

improves not at all or

just a little with

normal and strong

head cleans

During an initial ink fill - air

has been introduce to the

head or after a head clean

cleaning fluid or air was

inadvertently pushed into the

head by the cleaning

applicator

Let the printer sit overnight which

will give the air a chance to settle –

after the nozzle should be good

5) Dark shirt prints look

dull

White nozzles 100 % or near

100%. - In adequate amount

of pretreat on shirt - this can

cause the white ink to mostly

sink into the shirt

Increase the amount of pretreat

being sprayed on the shirt

White nozzles 100 % or near

100% but look dull. - White

ink has settled

If the white cartridges have not

been agitated per instructions - will

need to agitate the white ink

cartridges (2 min). Then perform 3

to 4 strong head cleans - this will

replace most of the settled ink

Missing many nozzles on one

or both white heads

Perform head cleans to recover the

nozzle to 100% or near 100%

6) Light shirt looks too

dull

Nozzle is 100% - Wrong

output profile is selected

If printing in 600 X 600 Dpi and using

a profile meant for 1200 X 1200 DPI

then the shirt will look dull

7) Cartridge reads 0%

but was just at a high

% (example 65%) at

the previous

operation. (before

Temporary loss of Comm

caused cartridge reading

error

Pull out the cartridge that reads 0%.

The status should change to NC and

the cartridges not loaded message

will appear in the status bar. Put the

cartridge back in and the % reading

should go back to normal. If the %

printing or before

cleaning)

still reads 0 after reinserting the

cartridge then turn the printer off

and turn it back on and the cartridge

will read correctly

8) Cartridge reads 0%

but was just at a high

% (example 65%) at

the previous

operation. (before

printing or before

cleaning)

Ink pump has timed out and

ink was not detected in the

damper and the chip on the

ink cartridge will be written

to 0% . In this case, the

cartridge will remain reading

0% even after a restart of the

printer - possibly

accompanied by an Ink pump

time out error

1) Release the carriage and make

sure that the feeler for that channel

is not obstructed (see Detail below)

2) If no obstruction for the feeler

then check the ink line for that

channel to ensure the is no kink or

possible air leak (See detail below)

3)If this continues to occur then

check the connections to the ink

supply unit - the ink supply unit

may have to be replaced as the ink

pump may be failing (See Detail

below)

9) During a fill cycle -

filling with cleaning

fluid or filling with

ink. The sequence

completes but one or

more of the

cartridges % change is

low (less than 5%)

and the lines to

appear correct (if ink

to cleaning fluid - ink

is still present is some

lines, if cleaning fluid

to ink then ink has

not completely filled

in some lines)

Temporary loss of Comm

caused a channel to not

completely fill

To complete charging you can either

- perform the opposite charging

operation - (if ink - fluid was initially

attempted then perform fluid to ink,

put ink carts back or if fluid to ink

was attempted then perform ink to

fluid). After the charging is

complete. Perform the original

charging operation. OR - You can

reset the flag in the service menu to

the ink stage the printer was in prior

to performing the operation. The

states you can choose are 1) After

ink charging 2) After cleaner

charging 3) After ink with out White

- Choose the stage the printer was

in prior to performing the fill cycle

(for example if it was full of ink you

can set this to after ink charging)

then you can repeat the charging

operation. (See detail below)

Detail for 8)

If the printer has written a cartridge to 0% erroneously and the cartridge cannot be recovered (keeps at

0% even after restart)

Then check the carriage to make sure the feelers that indicate if a damper or tank inside the carriage

that exists for each channel are full are obstructed from moving correctly.

If no obstruction - check the ink line for possible kinks or leaks. NOTE: normally this will not be a

problem but if there was recently some parts replaced –the carriage –the ink supply unit –or the

tubing then check the connections.

Feeler - should be free to move –

there are six of them one for each

channel MYW1W2CK

Connections at the carriage Check for any kinks in the lines

Check tune connections at the ink supply unit

If the problem continues to occur then the ink supply unit may be replaced.

Detail for 9)

This printer has 3 ink status and the user can switch them by ink path control.

Status

Printable media

Remarks

Ink in all channels

6 Color mode

After ink charging state

Whitemedia,

Dark media

(requiring

underbase)

All kinds all printing

Color ink in color channel

Cleaner in white channel

4 color mode

After ink without white

state

Whitemedia

OK for any printing that does not require a white

under base

The Cleaner in white channel is for protect the

nozzle of print head.

Cleaner in all channels.

After cleaner charging

state

unprintable

For long term storage./ Shipping

So if there is a problem with charging –low % of ink cartridge used and visible check of the tubes do not

look correct.

It can be corrected by:

Method 1

If going from 6 color mode to cleaner charging (storage and shipping) –Go back to cleaner charging

(select cleaner charging –all ink) –Then go to cleaner charging again (ink charging –all ink). It is unlikely

to get a temporary com problem again.

Below is a description of how to do ink and cleaner charges.

In order to change the setting of ink path control, touch the button [INK PATH

CONTROL]

on the [SETTING] tab.

Then dialogue box shown upper will be displayed to charge of ink or cleaner.

You can touch [INK CHARGING] for ink, [CLEANER CHARGING] for cleaner.

If you choose the Ink charging, upper dialogue box is displayed to charge for all

color

channel or white only channel.

For the cleaner, the dialogue box is displayed as the same Charging all channel

with

cleaner

When you store the printer in long-term period or transport, it is necessary to

charging

cleaner in all channel.

The printer will always look for the correct type of cartridge to be inserted depending on

the state.

1) For 6 color mode –all ink cartridges must be inserted - cleaner carts will not be

accepted (ink error will show in status bar)

2) For 4 color mode –CMYK ink cartridges and Cleaner carts for W1 and W2. W1 and

W2 ink carts will not be accepted (ink error will show in status bar)

3) For storage/shipping mode all cleaner carts must be inserted, ink carts will not be

accepted. (ink error will show in status bar)** except for when sent from the factory

or depot –in the case the Initial charging flag will be set and the printer will expect

ink cartridges to be loaded and initial charging will automatically start just like when

the printer was initially started up as described in the manual

Method 2 is to reset the ink stage.

In the service menu (tech service will let you know how to access) Select printer systems

Then select ink stage –there are 3 choices

Set internal flag of ink charging status. Should be matched with actual situation of the printer

after

replacing theAndroid Board. (display) or CTL or if you want to charge in a state you are already

in. (ie. You want to set After Ink Charging when initially ink charging was not successful and you

want to repeat)

⚫

After Ink Charging: Ink has been charged in the printer.

⚫

After Cleaner Charging: Cleaner has been charged in the printer.

⚫

After Ink Without White: Cleaner for white channels and Ink for color channels has

been

charged

In the case where you suspect that an ink charging has not been completed successfully. (1 or

more carts do not show the expected % drop and visually 1 or more of the tubes do not seem to

be charged correctly) You can:

Set the Ink stage to what it was prior to you attempting at ink charging. Example. You are

setting a machine for storage, so you charged with cleaning fluid and you noticed one line not

completely cleared of ink. The printer is now in the After cleaner charging ink state. You can

change the ink state back to After ink charging in the service menu.

Finally –set the initial charging flag correctly

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