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Troubleshooting
Specs
Install
Parts list
General Block Diagram
Material Safety Data Sheet
Support Bracket Placement
Warranty
Dimension
Maintenance
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NovaJet 500/630/700 Series Service Manual
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4-22
Troubleshooting
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Contents
Novajet
Printing history
FCC Statement U.S.A
For NovaJet 736 and 750 FCC Statement U.S.A
VDE Statement
Material Safety Data Sheet
Warranty or Damage Claims
Table of Contents
Troubleshooting
Assembly\Disassembly
Parts List
List of Illustrations
Troubleshooting
Xvi
List of Tables
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Introduction
NovaJet 500/630/700 Series Inkjet Printers
General Description
Overview
Electrostatic Discharge ESD Sensitivity
Followed by a paragraph describing the concern Indicated by
Printer Specifications
Environment Weight
Dimensions
General Description
Help Desk Telephone
Technical Support
Help Desk FAX
Theory of Operation
General Block Diagram
Paper Media Axis Drive
Carriage Axis Drive
Media Feed and Take-Up System
Main Printed Wiring Assembly Mpwa
Microprocessor
Gate Array
Memory Circuits
Flash Eeprom
Dram
Serial Eeprom
Stepper Motor Controller
Theory of Operation
Servo Motor Controller
Servo Motor Controller
Detector Encoder Strip Output of Detector
Interface Circuits Serial & Parallel
10. Interface Circuits
Carriage Assembly Circuits
Control Panel
Power Supply
Theory of Operation
Maintenance3
Scheduled Maintenance
External Cleaning
Cleaning Procedures
Service Station Cleaning
Slide Shaft Cleaning
Linear Encoder Strip Cleaning
Cartridge Jet Area & Dimples Cleaning
Encoder Strip Cleaning
Flex Cable Contact Cleaning
Flex Cable Contacts
Clean and Inspect Stepper Motor Gears
Clean and Inspect Mpwa
Clean and Inspect Carriage Assembly
Reseat Connectors on Mpwa and Carriage Board
Main PWA Connection Locations Main PWA Connections
Carriage PWA Connection Locations Carriage PWA Connections
Ribbon Connector Locking Mechanism
Replace Carriage Bushings
Servo Motor Winding Resistance Check
Servo Motor
Stepper Motor Winding Resistance Check
Stepper Motor
Power Feed and Take-Up Motor Winding Resistance Check
Power Feed and Take-Up Motor
Banding Hardware vs Software
10. Examples of Banding
Common Banding Causes
Maintenance
Alignments/Adjustments
Slide Shaft Profile Adjustment
11. Dial Gauge Micrometer Assembly
12. Measurement Positions for Slide Shaft
13. Slide Shaft Profile Adjustment
Head Height Alignment Procedure
14. Carriage Head Height Tolerance
Zero Ensure Pressure is Placed on the Rear Gauge Cartridge
18. Support Bracket Placement
Maintenance
Color Calibration
19. Color Calibration
20. Utility Menu
21. Color Calib Menu
Deadband Alignments
23. Slow Deadband
24. Service Menu
25. Calibration Deadband Menu 500 Series
Deadband Alignment for 500 Series
Color Deadband Alignment for 630/700 Series
27. Calibration Menu
28. Color Db Menu
Paper Axis Calibration
29. Paper Axis Test
Diagnostics Menu
30. Diagnostics Menu
Maintenance
Maintenance
Limited Access Menu
32. Nvram Clear and Clock Reset Menu
Firmware Download/Upgrading for the PC
Firmware Download/Upgrading for the MAC
Then type Print /DLPT1 A\XXXX.ROM and press Enter
Maintenance
Internal Cabling and Signal Flow Diagrams
33. Mpwa Connections Diagram
34. Carriage PWA Connections Diagram
35. Leg Harness Connections Diagram
36. Leg Harness Connections Diagram
Troubleshooting4
No Power
Initialization Failure
Media Does Not Move
Internal Error Carriage Axis Failure
Troubleshooting Table
Internal Error Encoder Sensor Failure
Internal Error Paper Sensor Failure
Internal Error Mpcb Failure
Internal Error Auto-Sensor Failure
Unrecognized Cartridges Error
Does Not Print
Image Skews or Moves
Ink Cartridge Misfiring
Troubleshooting Table
Paper Skewing
Printer Output is Banding Horizontal
Nvram
Printer Output is Banding Horizontally and Vertically
Printer Output is Banding Vertical
Keypad Locked- Up or Not Func- tioning Properly
Noisy Operation
Line Quality Degraded
Fan Does Not Power Up
Media Take-Up Motor Not Operating Sensor Works
Media Feed Motor Not Operating Sensor Works
Media Feed or Take-Up Sensors Not Operating
Troubleshooting Table
TROUBLE- Shooting
Initialization Troubleshooting 500 Series
LED D2
Initialization Troubleshooting 630/700 Series
Carriage Board LED D2 and D5 Locations
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Assembly\Disassembly5
Remove the Left, Top, and Right Covers
Right Cover Assembly Removal/Installation
Left Cover Assembly Removal/Installation
Left Cover Removal/Installation NovaJet
Install the Left, Top, and Right Covers
Remove the Keypad and Display
Keypad and Display Installation/Removal
Install the Keypad, Display, and Display Power Converter
Keypad and Display Grounding Connections
Extra Memory Simm Installation/Removal
Remove Extra Memory Simm
Install Extra Memory Simm
Remove the Mpcb Main Printed Circuit Board
Assembly\Disassembly
Mpcb Removal
Install the Mpcb
Remove Power Supply, Cooling Fan, and AC Entry Module
Power Supply Removal
Install the Power Supply, Cooling Fan, and AC Entry Module
Cooling Fan/AC Entry Module Removal
Remove Servo Motor
10. Slacken Carriage Belt
Install Servo Motor
Remove the Ink Delivery System
11. Chain Support Bracket Removal
Install the Ink Delivery System
Inch
14. Strain Relief Removal/Installation
15. Frame Tensioner
ASSEMBLY/ Disassembly
Assembly\Disassembly
Remove the Carriage PCB
Latch TAB Slot
Install the Carriage PCB
Remove the Paper Sensor or the Encoder Sensor
18. Paper and Encoder Sensor Removal
Install the Paper Sensor or the Encoder Sensor
19. Paper and Encoder Sensor Installation
Replacing the Carriage Bushings
Tabs
Remove the Service Station
Install the Service Station
Remove the Trailing Cable Assembly
Install the Trailing Cable Assembly
Remove the Stabilizer Bracket and Encoder Strip
Chain Support Bracket Rests On the TOP Y-ARM Assembly
Install the Stabilizer Bracket and Encoder Strip
24. Y-Arm Installation/Removal
25. Pinch Roller
ASSEMBLY/ Disassembly
Assembly\Disassembly
Disassembly
Assembly\Disassembly
26. Stepper Motor Removal/Installation
Assembly\Disassembly
Service Stepper Station Motor Foam Block LEG Harness
Assembly\Disassembly
Wire TIE Wraps
Remove the Media Take-Up and Feed Motors
Motor Motor Motor Mount Gear Clamp Cradle Idler
Install the Media Take-Up and Feed Motors
Remove the Media Drying Fans
Install the Media Drying Fans
Remove the Thermal Dryer Assembly NovaJet
Disconnect Power Cord Before Servicing
Install the Thermal Dryer Assembly NovaJet
30. Thermal Dryer Assembly Removal
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Parts List
Figure Item Part Name
Left Side Parts Breakdown
Tube ASSY, RESERVIOR, Gray
Left Side Parts Breakdown NovaJet
Cover ASSY, TOP
Platen and Above Parts Breakdown
Cover ASSEMBLY, with Keypad DISPLAY, Right
Right Side Parts Breakdown
Ground STRAP, 2 Inside Cover Assembly
Right Side Parts Breakdown NovaJet
Motor ASSY, Servo Ferrite and Capacitor
Inner Platen Parts Breakdown
Carriage PWA
Carriage Assembly Parts Breakdown
VALVE, ASSEMBLY, Gray
Carriage Cover Parts Breakdown
209276
Service Station Parts Breakdown
LEG Drive Wiring Assembly
10. Power Feed and Take-Up Parts Breakdown
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