Tektronix 1235N - Phaser Color Laser Printer Service Manual page 10

Figures
The Phaser 1235 Color Printer with lower tray feeders 1
Print engine circuit boards 5
Print engine circuit boards (cont'd) 6
Print engine sensor and switch locations 7
Print engine sensor and switch locations (cont'd) 8
Print engine motors, clutches and solenoids 9
Optional feeder motor and clutch 10
Features of the controller board 11
The control panel 12
The printer rear panel 13
Tray switch sensors and actuators 15
Door safety interlock switches 37
LED Head Test Pattern 68
Print problem caused by dirty LED lens 83
Removing the top cover 87
Removing the left-side cover 88
Removing the right-side cover 89
Removing the rear cover 90
Removing the front cover 91
Removing the face-up tray 92
Removing the right shield plate 93
Removing the electrical chassis 95
Removing the electrical chassis cooling fan 96
Disconnecting the registration motor in-line connector (HOPFF) 97
Removing the printer unit chassis 98
Removing the main cooling fan 99
Removing the top shield plate 100
Removing the harnesses from the electrical chassis 101
Removing the top cover inner frame 102
Removing the left/right top cover spring assembly 103
Removing the lower plate assembly 104
Removing the left paper tray guide assembly 105
Removing the paper tray guide assemblies 106
Removing the right paper tray guide assembly 107
Removing the left plate assembly 108
Removing the system controller board 109
Removing the print engine controller 110
Disconnecting the LED power harnesses 111
Removing the toner sensor board 112
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Phaser 1235 Network Color Printer