Tektronix 1235N - Phaser Color Laser Printer Manuals

Manuals and User Guides for Tektronix 1235N - Phaser Color Laser Printer. We have 1 Tektronix 1235N - Phaser Color Laser Printer manual available for free PDF download: Service Manual

Tektronix 1235N - Phaser Color Laser Printer Service Manual

Tektronix 1235N - Phaser Color Laser Printer Service Manual (240 pages)

NETWORK COLOR PRINTER

Brand: Tektronix | Category: Printer | Size: 4 MB

Table of Contents

Users Safety Summary
3
Table of Contents
5
General Information

15
- The Phaser 1235 Color Printer with Lower Tray Feeders
  15
  - The Phaser 1235 Color Printer
    16
    
    Printer RAM and Printer Capabilities
    18
    
    CRU Life Counter Behavior
    18
  - Print Engine Assemblies
    19
- Print Engine Circuit Boards
  19
- Print Engine Circuit Boards (Cont'D)
  20
- Print Engine Sensor and Switch Locations
  21
- Print Engine Sensor and Switch Locations (Cont'D)
  22
- Print Engine Motors, Clutches and Solenoids
  23
- Optional Feeder Motor and Clutch
  24
  - The Image Processor Board
    25
- Features of the Controller Board
  25
  - The Control Panel
    26
    
    On Line LED
    26
    
    Fault
    26
    
    Rear Panel
    27
- The Printer Rear Panel
  27
  - Accessing Special Operating Modes
    28
  - System Controller Board Leds
    28
- Entering Special Operating Modes
  28
  - Paper Tray Type Sensing
    29
- Tray Switch Sensors and Actuators
  29
- Paper Size Detection
  29
  - Specifications
    30
- Physical Dimensions
  30
- Printer Clearances
  30
  - Regulatory Specifications
    33
Error Codes and Messages

35
- Error Messages
  35
- Printer Fault Messages
  35
Troubleshooting

45
- Power on Self-Diagnostic Test
  46
- Print Engine Troubleshooting
  47
- POWER Connector Pinout
  49
- Door Safety Interlock Switches
  51
  - Motor and Fuser Roller Resistances
    52
  - Media Jams and the Paper Path
    53
  - Media-Based Problems
    53
    
    Media Problems
    53
    
    Multiple-Sheet Pick
    53
    
    The Media Skews Passing through the Paper Path
    54
    
    Paper Tray Indicates It Is Empty When It Is Not
    54
  - Jams
    55
    
    Wrong Media
    55
    
    Paper Jams at the Paper Tray
    55
    
    Manual Bypass Feeder Feed Jams
    56
    
    Paper Jams at the Registration Rollers
    56
    
    Paper Jams at the Transfer Belt
    56
    
    Fuser Jams
    57
    
    Eject Jams
    57
    
    Jams in the Duplex Unit
    57
    
    No Drum Imaging Unit Installed
    58
    
    Imaging Drum Unit Up/Down Error
    58
    
    Fan Error
    58
    
    Fuser Unit Error
    59
  - Other Problems
    60
    
    The Printer Continuously Displays "Booting" or "Initializing
    60
    
    False "No Toner Cartridge Installed" Message
    60
    
    False "No Fuser Unit Installed" Message
    60
    
    Front Door Indicated Being Open When It Is Closed
    61
    
    High Temperature Error
    61
    
    Low Temperature Error
    61
    
    Invalid Memory DIMM
    61
- Printing and Print Quality Problems
  62
- Macintosh Printing Problems
  73
- Windows Printing Problems
  74
  - Image Never Prints
    74
Service Tests and Adjustments

75
- Diagnostics Mode
  75
- Engine Maintenance Mode Menu
  76
  - Switch Scan Test
    77
- Switch Scans and the Sensor and Switches Test
  80
  - LED Head Test
    82
  - Motor and Clutch Tests
    83
- Motor and Clutch Test Constraints
  83
  - Motor and Clutch Test Constraints
    84
  - Test Printing
    85
- Test Print Menu
  85
- Consumable Counter Menu Items
  89
  - Consumable Continuation Counter Display
    90
- Consumable Life-Cycle Counts
  90
  - Adjusting Color Density and Balance
    91
    
    Printing a Test Page
    91
    
    Interpreting the Color Balance Test Print
    91
    
    What to Look for
    92
    
    Making Adjustments
    92
    
    Adjustment Recovery
    93
Cleaning and Maintenance

95
- Service Preventive Maintenance Procedure
  95
- Recommended Tools
  96
- Periodically Replaced Parts
  96
- Cleaning
  97
  - Cleaning the LED Bar
    97
  - Cleaning the Pickup Roller
    97
- Print Problem Caused by Dirty LED Lens
  97
Resetting NVRAM

99
FRU Disassembly

101
- Cabinet Panels
  101
  - Top Cover
    101
- Removing the Top Cover
  101
  - Left-Side Cover
    102
- Removing the Left-Side Cover
  102
  - Right-Side Cover
    103
- Removing the Right-Side Cover
  103
  - Rear Cover
    104
- Removing the Rear Cover
  104
  - Front Cover
    105
- Removing the Face-Up Tray
  106
  - Frames Components
    107
    
    Right Shield Plate
    107
- Removing the Right Shield Plate
  107
  - Electrical Chassis (Card Cage)
    108
- Removing the Electrical Chassis
  109
  - Electrical Chassis Cooling Fan
    110
- Removing the Electrical Chassis Cooling Fan
  110
  - Printer Unit Chassis
    111
- Disconnecting the Registration Motor In-Line Connector (HOPFF)
  111
- Removing the Printer Unit Chassis
  112
  - Main Cooling Fan
    113
- Removing the Main Cooling Fan
  113
  - Top Cover Inner Frame
    114
- Removing the Top Shield Plate
  114
- Removing the Harnesses from the Electrical Chassis
  115
- Removing the Top Cover Inner Frame
  116
  - Left/Right Top Cover Spring Assembly
    117
- Removing the Left/Right Top Cover Spring Assembly
  117
  - Left Paper Tray Guide Assembly
    118
- Removing the Lower Plate Assembly
  118
- Removing the Left Paper Tray Guide Assembly
  119
- Right Paper Tray Guide Assembly
  120
- Removing the Paper Tray Guide Assemblies
  120
- Removing the Right Paper Tray Guide Assembly
  121
  - Left Plate Assembly
    122
- Removing the Left Plate Assembly
  122
- Electronic Boards
  123
  - System Controller Board
    123
- Removing the System Controller Board
  123
  - Print Engine Controller Board
    124
- Removing the Print Engine Controller
  124
  - Toner Sensor Board
    125
- Disconnecting the LED Power Harnesses
  125
- Removing the Toner Sensor Board
  126
  - Entrance Sensor Board
    127
- Removing the Entrance Sensor Board
  127
  - High Voltage Power Supply
    128
- Removing the High Voltage Power Supply
  129
  - Low Voltage Power Supply
    130
- Removing the Low Voltage Power Supply
  130
  - Control Panel
    131
- Removing the Control Panel
  131
- Paper Feed Components
  132
  - Tray 1 Feed Roller and Nudger Roller
    132
- Removing the Feed Roller and Nudger Roller
  132
  - Retard Pad
    133
- Removing the Retard Pad
  133
  - Paper-Size Sensing Board
    134
- Removing the Paper Size Sensing Board
  135
  - Paper-Size Sensing Actuator
    136
- Removing the Paper Size Sensing Actuator
  136
  - Main Feeder Assembly
    137
- Removing the Main Feeder Assembly
  138
  - Tray 1 No-Paper/Low-Paper Sensors
    139
- Removing the Lower Plate Assembly
  139
  - Paper Tray Lift Arm Roller
    140
- Removing the Paper Tray Lift Arm Roller
  140
- Multi-Sheet Bypass Feeder Components
  141
  - Multi-Sheet Bypass Feeder
    141
- Removing the Multi-Sheet Bypass Feeder
  142
  - Multi-Sheet Bypass Feeder Entrance Sensor Actuator
    143
- Removing the Multi-Sheet Bypass Feeder Entrance Sensor Actuator
  143
- Paper Transport Components
  144
  - Tray 1 Entrance Sensor Actuator
    144
- Removing the Tray 1 Entrance Sensor Actuator
  144
  - Belt Entrance Sensor Actuator
    145
- Removing the Belt Entrance Sensor Actuator
  145
  - Transfer Belt Unit
    146
- Removing the Transfer Belt Unit
  146
- Registration Components
  147
  - Registration Clutch
    147
- Removing the Registration Clutch
  147
  - Registration Motor Assembly
    148
- Removing the Registration Motor Assembly
  148
  - Registration Roller Assembly a and Drive Gear
    149
- Removing the Registration Roller Assembly a and Drive Gear
  150
  - Registration Roller Assembly B
    151
- Removing the Registration Roller Assembly B
  152
- Exit Assembly and Fuser Components
  153
  - Fuser Unit
    153
- Removing the Fuser Unit
  153
  - Fuser Latching Handle (Left)
    154
  - Fuser Latching Handle (Right)
    155
- Removing the Fuser Latching Handle (Right)
  155
  - Fuser Exit Roller
    156
- Removing the Fuser Exit Roller
  157
  - Exit Sensor Assembly
    158
- Removing the Exit Sensor Assembly
  159
  - Duplex Guide Assembly
    160
- Removing the Duplex Guide Assembly
  161
  - Eject Guide Assembly
    162
- Removing the Eject Guide Assembly
  162
  - Stack Full Sensor
    163
- Removing the LED Assembly Power Connector
  163
- Removing the Stack Full Sensor
  164
  - Drive Assembly Components
    165
    
    Main Motor Assembly
    165
- Removing the Main Motor Assembly
  166
  - Main Feeder Drive Motor
    167
- Removing the Main Feeder Drive Motor
  167
  - Transfer Belt Motor Assembly
    168
- Removing the Transfer Belt Motor Assembly
  169
  - Xerographic Components
    170
  - Shutter Plate
    170
- Removing the Shutter Plate
  170
  - Color Registration Sensor Assembly
    171
- Removing the Color Registration Sensor Assembly
  171
  - Color Registration Solenoid
    172
- Removing the Color Registration Solenoid
  172
  - LED Assembly
    173
- Removing an LED Assembly
  173
  - Drum Contact Assembly
    174
- Removing the Drum Contact Assembly
  174
  - Toner Sensor Actuators
    175
- Disconnecting the LED Assembly Power Harness
  175
- Removing the Toner Sensor Actuators
  176
  - Duplex Unit
    177
- Removing the Duplex Unit
  177
  - Optional Paper Feeder Components
    178
    
    Idler Roller Assembly
    178
- Removing the Feeder Control Board Cover
  178
- Removing the Idler Roller Assembly
  179
  - Inner Frame
    180
  - Removing the Optional Feeder Inner Frame Bottom Screws
    180
- Removing the Feeder Control Board Cover
  181
- Removing the Optional Feeder Inner Plate
  182
  - Feeder Clutch
    183
- Removing the Feeder Control Board Cover
  183
- Removing the Feeder Clutch
  184
  - Feeder Motor
    185
- Removing the Feeder Control Board Cover
  185
- Removing the Feeder Motor
  186
  - Feeder Control Board
    187
- Removing the Feeder Control Board Cover
  187
- Removing the Feeder Control Board
  188
  - Paper Transport Roll Guide
    189
- Removing the Feeder Control Board Cover Plate
  189
- Removing the Paper Transport Roll Guide
  190
  - Feeder Drive Assembly
    191
- Removing the Feeder Control Board Cover Plate
  191
- Removing the Feeder Drive Assembly
  192
  - Paper Size Sensing Actuator
    193
- Removing the Paper Size Sensing Actuator
  193
  - Paper Size Sensing Board
    194
- Removing the Paper Size Sensing Board
  194
  - Lower Connector
    195
- Removing the Feeder Control Board Cover Plate
  195
- Removing the Lower Connector
  196
  - Upper Connector
    197
- Removing the Feeder Control Board Cover Plate
  197
- Removing the Upper Connector
  198
  - Tray 2/3 Feed Roller and Nudger Roller
    199
- Removing the Tray 2/3 Feed Roller and Nudger Roller
  199
FRU List

201
- Using the Parts List
  201
- FRU Parts List of the Printer Cabinet
  202
- Cabinet Frus
  203
- FRU Part List of the Top Cover Assembly
  204
- Top Cover Frus
  205
- FRU Part List of the Printer Chassis (1 of 2)
  206
- Printer Chassis Frus (1 of 2)
  207
- Printer Chassis Frus (2 of 2)
  209
- FRU of the Paper Tray
  210
- Paper Tray Frus
  211
- FRU of the Paper Tray Guide
  212
- Paper Tray Guide Frus
  213
- FRUS of the Multi-Sheet Bypass Feeder
  214
- Multi-Sheet Bypass Feeder Frus
  215
- Electrical Components Frus
  216
- Electrical Components Frus
  217
- Frus of the Duplexer Unit
  218
- Duplexer Unit
  219
- Frus of the Lower Tray Assembly
  220
- Lower Tray Assembly Frus
  221
- Hardware Kit
  222
- Gear Kit
  222
- Harness Kit
  223
- Customer Replaceable Consumables
  224
Test Prints

225
Wiring Diagram

229
- Service Guide
  229
- Wiring Diagram (Part 1 of 3)
  229
- Phaser 1235 Network Color Printer
  230
- Wiring Diagram (Part 2 of 3)
  230
- Service Guide
  231
- Wiring Diagram (Part 3 of 3)
  231
- Wire Routing at the Engine Controller Board
  232
- Wire Routing at the Top of the Engine Controller Board
  233
- Service Guide
  233
- Detail of Wiring Passthru
  234
- Wiring under the Top Shield Plate
  235

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