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Konica Minolta EFI Pro 16h EFI Pro 16h Operations Guide - Page 101

Print Head Care, 8.2.1 Bleeding Print Heads

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8.2 Print Head Care Print head care for the EFI Pro 16h printer is limited. The print heads should function properly at all times if they are kept clean and properly bled of any air that might enter the print head. To ensure proper operation of print heads, follow the print head care procedure defined below: 8.2.1 Bleeding Print Heads Bleed print heads only as needed. 1. Raise carriage, wipe carriage plate. 2. Wait approximately 10 minutes for heads to come to temperature. 3. Lower carriage and perform a "bleed" procedure. 4. Purge the print heads manually at the carriage home station or automatically using the printer software. 5. Run a nozzle check. If print heads function properly, bleed process is complete. If ink drop out appears in the test print, there may be air in the lines or print heads. Continue with steps 6-10, below. Note: If printer has not been used for a day or longer, repeat above procedure, Run prints with lots of colors to exercise print heads. Repeat above process again. Print heads should then operate properly. 1 3 2 1 Figure 8-1: Typical Print Head Configuration 1 Ink Bleed Valves 2 Typical Print Head 3 Secondary Filter and Ink Feed Document ID: OMM-00135 Revision A 101

Section	Page
1.0 Introduction	9
1.1 About This Guide	9
1.2 Objectives	9
1.3 Customer Resources	10
1.4 Additional Support	10
2.0 General Safety	11
2.1 Emergency Stop Button(s)	11
2.2 Safety Interlock Override Key (Service Key)	12
2.3 Front Access Panels and Shields	13
2.4 Rear Access Panels and Shields	14
2.5 Printer Shield Support System and Locking Mechanism	15
2.6 Printer Safety Labels (Front)	16
2.7 Printer Safety Labels (Rear)	17
2.8 Other Hazards and Precautions	18
2.8.1 UV Ink and Solvent Precautions	18
2.8.2 UV Light Hazards	18
2.8.3 Ventilation	18
2.8.4 Storage of Combustible Materials	18
2.8.5 Fire or Explosion Risks and Precautions	19
2.8.6 Risk of Eye and Skin Irritation	19
2.8.7 Printing Media Handling and Precautions	19
2.8.8 High Voltage Dangers and Precautions	19
3.0 EFI Pro 16h Printer Overview	20
3.1 Front Printer Components	20
3.1.1 Carriage Home Compartment	21
3.1.2 Carriage Assembly	24
3.1.3 EFI Pro 16h UV Lamps	26
3.1.4 Computer Compartment	27
3.1.5 Operator Station Components	28
3.1.6 Media Handling System - Front	29
3.1.7 Vacuum Media Belt	30
3.1.8 Cyclonic Vacuum System	33
3.1.9 Ink Supply and Pump Compartment	35
3.2 Printer Rear Components	36
3.2.1 Rear Printing Shield	37
3.2.2 Carriage X-Axis Drive Motor Access Panel	37
3.2.3 Rear Access Panel for Carriage “Home” Compartment	37
3.2.4 Energy Chain	38
3.2.5 Main Carriage Beam Assembly	39
3.2.6 Media Feed System - Rear	40
3.2.7 Rigid Media Fence	41
3.2.8 Media Vacuum Foot Pedal	42
4.0 EFI Print Control Utility and EFI Pro 16h Control Window	43
4.1 EFI Pro 16h Software Operational Overview	43
4.2 EFI Print Control Utility	44
4.2.1 Print Control Utility Overview	45
4.2.2 Settings Menu	48
4.2.3 Adding Drives	49
4.2.4 Select Files to Print Button	50
4.2.5 Image Information and Ink Use Estimates Panes	51
4.3 EFI Pro 16h Control Window	53
4.3.1 Carriage Controls	54
4.3.2 X, Y Axes and Fence Movement Controls	55
4.3.3 Lamp Controls	56
4.3.4 Media Controls	57
4.3.5 Printer Status Bar	57
4.3.6 Printer Tools Bar	58
4.3.7 Printer Tests	59
4.3.8 Printer Test List and Test Description	59
4.3.9 Parameters Window	61
4.3.10 EFI PLC Control Window	66
4.3.11 Printer Status Messages	67
4.3.12 EFI Pro 16h Control Window “Asleep”	68
5.0 EFI Pro 16h Printer Setup	69
5.1 Full Printer Startup From Power Down	69
5.2 Printer Startup from Sleep Mode	70
5.3 Loading Rolled Media	71
5.3.1 Media Alignment	72
5.3.2 Media Direction	73
5.4 Loading Rigid Media	74
5.4.1 Printing Multiple Rigid Media Boards	74
5.5 Set Media Margins	75
5.6 Setting Media Vacuum Chamber Controls	76
5.7 Set the Print Gap	77
6.0 Printing on the EFI Pro 16h	78
6.1 Standard Printing Procedure	78
6.1.1 Start Up Printer	78
6.1.2 Verify Lamp Settings	79
6.1.3 Set the Carriage Gap	80
6.1.4 Scan the Media Width	81
6.1.5 Purge and Sweep Print Heads	82
6.1.6 Perform Nozzle Checks	83
6.1.7 Set Margins and Choose Media Type	85
6.2 Daily White Ink Print	85
6.3 Print File from EFI Print Control Utility	86
6.4 Print Workflows	87
6.4.1 Workflows in Fiery XF	88
6.5 Printing Full Bleed	89
6.6 Centering a Print	90
6.7 Skip Blank Space During Prints	91
6.7.1 Sample Images	92
6.8 Printing Multiple Rigid Media Boards	93
6.8.1 Prints with Margins or White Space on Edges	94
6.8.2 Prints Using a Guide Block between Sheets	95
6.8.3 Prints Using the Media Fence Ruler	96
6.8.4 Set Up Margins in Print Files	97
7.0 Procedures for Replenishing Ink	98
7.1 Use Remainder Ink	99
8.0 EFI Pro 16h Maintenance and Print Head Care	100
8.1 Maintenance Documentation	100
8.1.1 Maintenance Guide	100
8.1.2 Maintenance Log	100
8.2 Print Head Care	101
8.2.1 Bleeding Print Heads	101
8.2.2 Ink Purge Procedures	103
8.2.3 Clean Print Heads	104
9.0 EFI Pro 16h Sleep Mode/Shutdown Procedures	106
9.1 Overnight Sleep Mode	106
9.2 Short-Term Printer Shutdown	108
9.3 Long-Term Printer Shutdown	109
9.4 E-Stop Conditions	110
9.4.1 Activating E-Stop	110
9.4.2 Restarting After E-Stop	110
9.5 Power Outages	111
9.5.1 Power Outage During Printing	111
9.5.2 Power Outage While Printer is Idle and Attended	111

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Document ID: OMM-00135 Revision A

101

8.2 Print Head Care

Print head care for the EFI Pro 16h printer is limited. The print heads should function properly at all times if they are kept clean and

properly bled of any air that might enter the print head. To ensure proper operation of print heads, follow the print head care

procedure defined below:

8.2.1

Bleeding Print Heads

Bleed print heads only as needed.

Raise carriage, wipe carriage plate.

Wait approximately 10 minutes for heads to come to temperature.

Lower carriage and perform a “bleed” procedure.

Purge the print heads manually at the carriage home station or automatically using the printer software.

Run a nozzle check. If print heads function properly, bleed process is complete. If ink drop out appears in the test print, there may

be air in the lines or print heads. Continue with steps 6-10, below.

Note:

If printer has not been used for a day or longer, repeat above procedure, Run prints with lots of colors to exercise

print heads. Repeat above process again. Print heads should then operate properly.

Figure 8-1: Typical Print Head Configuration

1 Ink Bleed Valves

2 Typical Print Head

3 Secondary Filter and Ink Feed