Kodak NovaJet 850 Guida all'installazione

Technical Support Department

Revision 12_12_2005

NovaJet 850/880 Printer

Printer Installation 2

Ink Installation 6

Printer Calibrations 11

Networking 18

Routine Maintenance 19

Preventive Maintenance 23

Cartridge Checklist 24

Common Problems 25

Technical Bulletins

- Available Ink Configurations

- Dry Time Guidelines

- Routine Printer Maintenance

- NJ880 Rigid/Textile Print Ops

- Printer Grounding, ESD

Control, & Output Symptoms

NovaJet 800 Series Training Guide

A. Printer Installation

1. Verify all boxes have been received.

Box 1 contains the printer head and customer documentation (includes the System

CDs, Quick Start Guide, screws, and screwdriver). Also enclosed are 12

reservoirs, 12 cartridge tubing needles/septum

connectors.

Box 2 contains the stand legs, stand feet,

takeup and feed system media rollers, media

core, 2 media adapters, dryer, 2 dryer brackets,

dryer logic cable and Ink Prime box.

Box 3 is the accessory box which contains the ink

and cartridges, sample roll of media, cutters,

and all versions of power cords).

NOTE: You will need to provide an RJ45 Ethernet cable to connect to the Ethernet

port.

2. Remove all contents from Box 2 (2nd largest box).

Box 2 contains the stand legs, stand feet, take-up and feed system, media rollers,

media core, 2 media adapters, dryer, dryer brackets and all screws, dryer logic

cord, and Easy Prime box.

NovaJet 800 Series Training Guide

3. Flip Box 1 (largest box) upside down and open.

Remove packaging materials, 12 ink reservoirs, 12 cartridge tubing

needles/septum connectors, network parallel cable, and documentation.

4. Attach legs and feet to printer.

Caution: Do not damage leg harness wiring! Ensure cable is not pinched/twisted.

5. Rotate printer to one side and lift out of box using a two person lift.

Ensure all plug connections are intact.

NovaJet 800 Series Training Guide

6. Attach dryer brackets and install dryer plenum.

Note: align the dryer plenum guide pins with the dryer brackets.

7. Secure dryer logic cable and power cord. NOTE: If installing the new

universal dryer (black metal) ensure the underside voltage selector switch

is set to either 115VAC or 230VAC depending on region.

8. Activate diagnostics ‘legs test’.

Ensure media rollers and dryer function normally. Both rollers should initially pulse in

one direction. By blocking either the top sensor or bottom sensor path the opposite

roller should reverse direction. Dryer should intermittent pulse every few seconds,

after 5 minutes the air leaving the dryer should be warm.

Prime

Color Calib Menu

Access Cartridge

Display Settings

Service Menu

Print Settings

Calibration Menu Exit

Utility Menu

Calibration Menu

Diagnostics Menu

About

Exit

Service Menu

Servo PWM Test

Accessory

Servo Cycle Test

Carriage Test

Exit

Color Test

Continuous Test

Diagnostics Menu

Fan #1 Test

Fan #2 Test

Legs Test Exit

Accessory Menu

1 Spare

Exit

Legs Test Menu

0 Unwind

0 Wind

1 Interlock

1 +24V Detect

NovaJet 800 Series Training Guide

Load Media

Pause

Cut

Feed Media Menu

Utility Menu

Setup Menu

Reset

Main Menu

Print Mode Menu

Paper Option Menu

User Setup Menu

Serial Comm Menu

Ink Option Menu

HP-GL/2 Menu

Setup Menu

Exit

Supply Type

Margins

Media Standard

Auto-Cut

Auto-Wipe

Save Media

Paper Option Menu

Exit

Supply Type

Take-up

Next Option

Cancel

Print Passes

Prev Option

Press Next Option until “Take-up”

is displayed, select Ok.

Auto-Load Delay

9. Select supply mode

Options include Sheet, Roll, Roll 2 or Take-Up.

10. Load media into printer. Ensure alignment guides are set properly.

Note: maximum weight of media roll is 60 pounds.

Verify media loads correctly and is measured properly.

Check UTILITY MENU – DISPLAY SETTINGS for proper media measurements.

NovaJet 800 Series Training Guide

Installed needle assembly

Do not break connection when installing

new cartridge

25 ml inside - preprimed

B. Ink Installation

1. ‘Plug and Play Cartridge’ characteristics

2. Installing ink into reservoirs

It is suggested to fill reservoirs over a table to prevent spills on printer; fill to a

maximum of 400 ml (50 ml minimum).

3. Attach septum fitting to valve body. Prime line (and cartridge if

necessary).

NOTE: When the valve body is raised to the up

position ink flow is cut off, when the valve body (latch)

is closed then the ink line is open.

NovaJet 800 Series Training Guide

a) Prime line using the short needles

(purple in color); attach short needle

to each of the 4 valves. Connect

septum needle to EasyPrime by

inserting into female receiver.

Depress and hold EasyPrime

activation button to provide a solid

burst, wait 20 seconds, or until ink

line is full.

b) Lift valve actuator (to up postion)

and remove purple septum needle

assembly.

c) Connect cartridge’s septum needle to valve and close valve – wait 60 seconds,

then remove the blue tape from cartridge jet plate!!

NOTE: If attempting to recharge an

existing cartridge, then disconnect

cartridge from stall position and

prime cartridge (print head) using

multiple sets of one-second bursts

until ink is visible in the ink line.

This may take 1-2 minutes to

accomplish depending on the

prime of entire ink line. Ensure

EasyPrime adapter is flush to

cartridge jet plate – a siphoning

sound (slight sucking) should be

heard when priming the cartridge

properly.

4. Activate the color test pattern for ink starvation problems.

Select: SETUP MENU – PRINT MODE MENU – PRINT PASSES – SELECT 3, OK.

Select: UTILITY MENU – SERVICE MENU – DIAGNOSTICS – COLOR TEST MENU –

STALL SELECT (or ALL COLORS)– choose color. Select DENSITY SELECT to 100%.

Select COLOR TEST PRINT. Verify color bar is printed without ink starvation.

Ink Test/Recovery Procedure

(Color Test Print)

This is a pressure test of the

system, so please disregard the

two-pass quality. Each pass of

the carriage assembly should lay

down a solid band of color with

33% ink load.

NovaJet 800 Series Training Guide

Color Test Failures:

- Example A above depicts

complete ink starvation in magenta.

This problem may be corrected by

using the EasyPrime and

establishing the required pressure

inside the cartridge. Replace

septum connector/needle if repeated

attempts continue to fail.

- Example B above depicts partial

ink starvation in magenta (ink fires

at 100% at the beginning of each

pass but then starves). This

problem can be corrected by

ensuring 19 ml of ink is present

inside the cartridge (level must be between 8 ml and 35 ml for proper operation – refer to

NOTE below).

NOTE: If you are installing a new Warranty print head (empty), need to revive a

deprimed cartridge due to ink starvation problems (see H-11 on page 30 for example) or

to verify proper cartridge ink levels, obtain syringe with extension tube from accessory kit.

Pull 20 ml of ink into syringe from ink reservoir or new ink bottle. Lift cartridge stall

position valve to up position to cut off ink flow (NJ700-800 series only). Temporarily

remove septum connector from cartridge. Install ink into cartridge by depressing syringe

plunger; pull back on plunger to remove excess ink (if any). Reconnect septum needle to

cartridge and close valve actuator (lower) to restore ink flow to cartridge. The cartridge

will need to be primed to restore negative pressure inside cartridge – refer to step 3

above.

NovaJet 800 Series Training Guide

Jet is bad; jet re-

addressed

automatically

Jet is clogged (Jet

electronics are

good though)

Jet manually

bypassed,

jet good

Jet manually bypassed,

jet clogged

5. Activate the Prime pattern.

Select UTILITY MENU – PRIME.Verify all colors are printed. Verify no clogs are

present in the prime pattern. Manual or automatic jet compensation is provided up to 20

jets in each cartridge. Ensure the integrity of the diagonal lines are consistent and

smooth. Clean or replace cartridge if unsatisfactory.

6. Manually Bypassing Cartridge Jets

A manually bypassed jet appears as an 80% filled block

in the prime pattern (see jets at left and right below).

Perform manual jet bypass whenever a jet illustrates

degraded performance (i.e. clogging or fire misdirection).

In the example at right the magenta cartridge is severely

misfiring – the cartridge will most likely need to be

replaced.

NovaJet 800 Series Training Guide

Prime

Color Calib Menu

Access Cartridge

Display Settings

Service Menu

Print Settings

Calibration Menu Exit

Utility Menu

Use Calib X/Y

Paper Axis Test

Open Jet Menu

Exit

Paper Axis

Color Db Menu

Calibration Menu

Load Media

Pause

Cut

Feed Media Menu

Utility Menu

Setup Menu

Reset

Main Menu

Black Edit List

Magenta Edit List

Yellow Edit List

Cyan Edit List

Print Jet List

Exit

Open Jet Menu

Clear List Menu

Paper Axis

# 1: On

Prev Option

Next Option

Toggle Jet

Black Edit List

Press Next Option until

clogged jet number is

displayed, press Toggle Jet

to turn jet OFF, press OK.

Blown Jets

To manually bypass a clogged black (i.e. K) jet, perform the following steps:

In the example below the Magenta jets are illustrated completely blown (100%

filled blocks), but are being automatically bypassed by the printer. There is no

need to manually bypass any of the jets seen here. As long as the printer still

supports a desired print pass mode (refer to top of Prime pattern) then printing

may continue as normal. If the cartridge is still under warranty (<500 ml) and

more than 10 jets are blow, as observed in the Prime pattern, then this qualifies

as a cartridge replacement.

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