HP Designjet 1050c - Problems with printing lines

Parts and Diagrams
7-35
HP DesignJets 1050C and 1055CM Printers Service Manual
Item HP Part Number
Drivers
Latest versions of the following were shipped with the 1055CM:
HP DesignJet PostScript Driver for Power Macintosh and Macintosh
HP DesignJet PostScript Driver for Microsoft Windows
HP-GL/2 Windows Driver
HP DesignJet HP-GL/2 and HP RTL AutoCAD driver.
NOTE: For details of the latest version available, please visit the Hewlett Packard web site at:
http://www.hp.com/go/designjet or consult your HP dealer or sales representative.
Paper Supplies
This item is updated regularly. Please visit the Hewlett Packard web site at:
http://www.hp.com/go/designjet or consult your HP dealer or sales representative.
Color 175ml 350ml
Ink Cartridges
Black
Cyan
Yellow
Magenta
N/A
C4872A
C4873A
C4874A
C4871A
C4846A
C4848A
C4847A
Value Pack (Printhead,
Printhead Cleaner, 350ml Ink
Cartridge
Black
Cyan
Yellow
Magenta
N/A
N/A
N/A
N/A
C4890A
C4891A
C4893A
C4892A
Item Color
Printheads and Printhead Cleaners
Black
Cyan
Yellow
Magenta
C4820A
C4821A
C4822A
C4823A
Spindle E Assembly C6078A