Filter
Top Products
x
NovaJet 800 Series Service Manual
Table of Contents (cont)
Chapter 3 Maintenance ...................................................3-1
Introduction .................................................................................. 3-1
Scheduled Maintenance ................................................................ 3-1
Cleaning Procedures .............................................................. 3-2
External Cleaning ............................................................. 3-2
Slide Shaft Cleaning ......................................................... 3-2
Service Station Cleaning ................................................... 3-3
Linear Encoder Strip Cleaning ........................................... 3-4
Trailing Cables Cleaning ................................................... 3-5
Platen/Vacuum Hole Cleaning........................................... 3-5
Cartridge Dimples Cleaning .............................................. 3-6
Flex Cable Contact Cleaning ............................................ 3-7
Clean and Inspect Stepper Motor Gears ............................ 3-8
Clean and Inspect Main PWA ........................................... 3-8
Clean and Inspect Carriage Assembly ............................... 3-8
Dryer Cleaning ................................................................. 3-9
Reseat Connectors on Main PWA and Carriage Boards ........... 3-9
Replace Trailing Cables ........................................................ 3-12
Replace Carriage Cover/Carriage Bushings ............................ 3-13
Servo Motor Winding Resistance Check ...................................... 3-14
Stepper Motor Winding Resistance Check ................................... 3-15
Power Feed and Take-Up Motor Winding Resistance Check......... 3-16
Banding: Hardware vs Software ................................................... 3-16
Banding Differences .............................................................. 3-17
Banding Causes & Quick Analysis........................................ 3-19
Horizontal Banding Problems.......................................... 3-19
Vertical Banding Problems.............................................. 3-22
Line Quality Problems (Overspray) .................................. 3-23
Alignments/Adjustments ............................................................. 3-24
Slide Shaft Profile Adjustment ............................................... 3-24
Head Height Alignment Procedure ......................................... 3-27
Color Calibration ................................................................... 3-31
Deadband Alignments ........................................................... 3-34
Color Deadband Alignment .............................................. 3-37
Paper Axis Calibration .......................................................... 3-39
Diagnostics Menu ....................................................................... 3-40
Firmware Download/Upgrading for the PC .................................... 3-43
Firmware Download/Upgrading for the MAC ................................. 3-44
Internal Cabling and Signal Flow Diagrams .................................. 3-45