HP_Scitex_FB500_CQ114-90035_Service_Manual.fm (FR)

Table of Contents Printer orientation ................................................................................................12 Required tools ......................................................................................................13 Parts List for Field Replaceable Modules.................................................. 14 Exploded Views...................................................................................... 31 Exploded views: Off-head supply assemblies .......................................................31 OHS part numbers ..........................................................................................................................

31 Ink pumps, Exploded view ............................................................................................................... 32 Vacuum pump assembly exploded view............................................................................................. 33 Vacuum reservoir, Exploded view ..................................................................................................... 34 Ink homogenizer, Exploded view ...................................................................................................... 35 Exploded views:

Carriage assemblies ...................................................................36 Trolley assembly (upper and lower) exploded view ............................................................................. 36 Carriage assembly, exploded views.................................................................................................. 37 Carriage assembly brackets, exploded view....................................................................................... 37 Carriage pen plate, exploded view...................................................................................................

38 Carriage reservoirs, exploded views ................................................................................................. 39 Printhead interface plate’s alignment pin, exploded view ..................................................................... 39 Carriage back plate, exploded view ................................................................................................. 40 Carriage side attachments, exploded views........................................................................................ 41 Exploded views: Carriage-drive assemblies ..........................................................48 Exploded views:

Service station assemblies ..........................................................49 Exploded views: Track assemblies........................................................................52 Track attachment at carriage ............................................................................................................ 52 Exploded views: Media-drive assemblies..............................................................54 Media-drive assemblies exploded views ............................................................................................

54 Media-drive assemblies part numbers ................................................................................................ 57 Exploded views: Media-drive actuator assemblies ................................................58 Media-drive actuator assemblies exploded views ................................................................................ 58 Theory of operation and component identification................................... 65 Off-Head Supply Assemblies ................................................................................65 About the OHS (off-head supply).......................................................................................................

65 About the vacuum assembly ............................................................................................................. 65 Vacuum assembly diagram .............................................................................................................. 66 Vacuum assembly air flow diagram................................................................................................... 67 About the vacuum pump .................................................................................................................. 68 About the vacuum regulator .............................................................................................................

68 About the vacuum air-inlet filter......................................................................................................... 68 About the vacuum accumulator ......................................................................................................... 68 About the vacuum restrictor .............................................................................................................. 69 About the vacuum sensor ................................................................................................................. 69 About the vacuum assembly power supply .........................................................................................

69 About the pressure pump ................................................................................................................. 70 About the pressure sensor ................................................................................................................ 70 About the ink pumps........................................................................................................................ 71 About the ink-pump check valve........................................................................................................

72 About the permanent ink filters ......................................................................................................... 72 About the ink.................................................................................................................................. 73 About the tubes............................................................................................................................... 73 About the ink boxes ........................................................................................................................

73 About the profilers .......................................................................................................................... 74 About the white ink option ............................................................................................................... 74 About the ink homogenizer (shaker) .................................................................................................. 75 About the ink-box filters ...................................................................................................................

75 About the OHS controller................................................................................................................. 76 Carriage...............................................................................................................76 Wiring diagram for FB500 Carriage Assembly .................................................................................. 77 Wiring diagram for FB700 Carriage Assembly .................................................................................. 78 About the carriage head height ........................................................................................................

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About the vacuum tubes................................................................................................................... 84 About the vacuum tubes, split ........................................................................................................... 84 About the printheads ....................................................................................................................... 85 About the printhead interface plate ................................................................................................... 86 About printhead serial numbers ........................................................................................................

87 About printhead y-axis and x-axis positioning..................................................................................... 87 About printhead saber angle............................................................................................................ 87 About carriage (gross) saber angle ................................................................................................... 87 About the carriage headboard ......................................................................................................... 87 About the carriage headboard lights .................................................................................................

88 About the encoder reader ................................................................................................................ 89 About the carriage home sensor ....................................................................................................... 89 About the carriage trolley assembly................................................................................................... 90 About the upper carriage trolley assembly ......................................................................................... 90 About the lower carriage trolley assembly..........................................................................................

90 Service station......................................................................................................91 About the service station .................................................................................................................. 91 About ink purges ............................................................................................................................ 91 About the Shop-Vac ........................................................................................................................ 91 About the float Sensor .....................................................................................................................

92 About the service station wipers........................................................................................................ 93 About the wiper-carriage home sensor............................................................................................... 93 About the gap sensor ...................................................................................................................... 94 About the service station access sensor.............................................................................................. 94 About the service station actuator (up-down motor)..............................................................................

94 About the service station encoder...................................................................................................... 94 About the service station encoder reader ........................................................................................... 95 About the waste-ink jug.................................................................................................................... 96 Carriage-drive......................................................................................................97 About the carriage-drive assembly ....................................................................................................

97 About the carriage-drive smooth pulley .............................................................................................. 97 About the carriage-drive shaft........................................................................................................... 97 About the carriage-drive timing belt................................................................................................... 97 About the carriage-drive motor ......................................................................................................... 98 About the Carriage Idler ..................................................................................................................

98 About the carriage-drive belt ............................................................................................................ 98 About the carriage-drive belt length and tension ................................................................................. 99 About the rail strips ......................................................................................................................... 99 About the carriage encoder strip.....................................................................................................

100 Track assemblies ................................................................................................101 About the track assembly ............................................................................................................... 101 About the ink tubes ....................................................................................................................... 101 About the LVDS cable.................................................................................................................... 102 About the headboard power cables ................................................................................................

102 About the H-block clamp................................................................................................................ 102 Media drive........................................................................................................104 About the media-drive motor .......................................................................................................... 104 About the media-drive motor coupling ............................................................................................. 104 About the media-drive motor encoder..............................................................................................

105 About the high-resolution encoder ring............................................................................................. 105 About the high-resolution belt encoder reader................................................................................... 105 About the media-drive belt ............................................................................................................. 108 About the media-drive roller ........................................................................................................... 108 About the idler roller .....................................................................................................................

109 About the adjustment bearing block assembly .................................................................................. 109 About the vacuum trays ................................................................................................................. 110 About the airflow plate .................................................................................................................. 111 About the ionizer ..........................................................................................................................

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Mid-spool support for heavy media rolls .......................................................................................... 116 About the takeup assemblies .......................................................................................................... 117 About the limit switches ................................................................................................................. 118 Electronics ..........................................................................................................119 Wiring diagram for the FB500 printer .............................................................................................

119 Wiring diagram for FB500 main electronics..................................................................................... 120 Wiring diagram for the FB700 printer ............................................................................................. 121 Wiring diagram for FB700 main electronics..................................................................................... 122 About the main electronics box....................................................................................................... 123 Electronics box components identified .............................................................................................

123 About the motor control board........................................................................................................ 124 About the 38v/24v power supply................................................................................................... 125 About the AC power distribution board ........................................................................................... 125 About the AC filter ........................................................................................................................ 125 About the AC relay .......................................................................................................................

126 About the ATX power supply .......................................................................................................... 126 About the hard disk....................................................................................................................... 126 About the motherboard.................................................................................................................. 126 About the UV power supply............................................................................................................ 126 About the I/O board.....................................................................................................................

128 About the main power cable .......................................................................................................... 129 Uninterrupted power supply ........................................................................................................... 130 Cable Pinouts .....................................................................................................131 Troubleshooting printer components .....................................................

142 Troubleshooting carriage-drive assemblies .........................................................142 Carriage motion failures ................................................................................................................ 142 Troubleshooting carriage motion failures.......................................................................................... 142 Troubleshooting the carriage-drive smooth pulley .............................................................................. 144 Troubleshooting the carriage-drive shaft...........................................................................................

144 Troubleshooting the carriage-drive timing belt................................................................................... 144 Troubleshooting the carriage-drive motor ......................................................................................... 144 Troubleshooting the carriage-drive belt ............................................................................................ 145 Troubleshooting the rail strips ......................................................................................................... 145 Troubleshooting the carriage encoder strip.......................................................................................

145 Troubleshooting Carriage Assemblies .................................................................146 Troubleshooting carriage head height ............................................................................................. 146 Troubleshooting the lamps.............................................................................................................. 146 Troubleshooting the camera ........................................................................................................... 146 Troubleshooting the air manifold.....................................................................................................

146 Troubleshooting the carriage ink filters............................................................................................. 147 Troubleshooting printhead reservoirs ............................................................................................... 147 Troubleshooting thermistors ............................................................................................................ 147 Troubleshooting the vacuum tube .................................................................................................... 147 Troubleshooting split vacuum tubes..................................................................................................

147 Troubleshooting printheads ............................................................................................................ 147 Troubleshooting the printhead interface plate ................................................................................... 148 Troubleshooting the carriage headboard ......................................................................................... 148 Troubleshooting the carriage encoder reader ................................................................................... 148 Troubleshooting the home sensor ....................................................................................................

149 Troubleshooting the upper trolley .................................................................................................... 149 Troubleshooting the lower trolley..................................................................................................... 149 Troubleshooting the OHS assemblies ..................................................................150 Troubleshooting the vacuum assembly ............................................................................................. 150 Troubleshooting the vacuum pump ..................................................................................................

150 Troubleshooting the vacuum regulator.............................................................................................. 150 Troubleshooting the vacuum accumulator ......................................................................................... 150 Troubleshooting the vacuum restrictor .............................................................................................. 151 Troubleshooting the vacuum sensor ................................................................................................. 151 Troubleshooting vacuum power supply ............................................................................................

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Troubleshooting the service station encoder and encoder reader......................................................... 153 Troubleshooting the waste ink jug ................................................................................................... 154 Troubleshooting the track assemblies ................................................................ 155 Troubleshooting the track assembly ................................................................................................. 155 Troubleshooting the LVDS cable and LVDS error ...............................................................................

155 Detecting a damaged LVDS chip..................................................................................................... 156 Troubleshooting error: Failed to Program FPGA ................................................................................ 157 Troubleshooting the media-drive assemblies.......................................................159 Troubleshooting the media-drive motor coupling ............................................................................... 159 Troubleshooting the media-drive motor encoder ................................................................................

159 Troubleshooting the high-resolution media-drive encoder.................................................................... 159 Troubleshooting the media-drive belt ............................................................................................... 160 Troubleshooting the ionizer ............................................................................................................ 160 Troubleshooting the media alignment bar......................................................................................... 160 Troubleshooting the rail actuator motor............................................................................................

160 Troubleshooting the media thickness sensor...................................................................................... 160 Troubleshooting the media detection sensor...................................................................................... 160 Troubleshooting the supply spool .................................................................................................... 161 Troubleshooting the electronic assemblies...........................................................162 Troubleshooting the motor control board..........................................................................................

162 Troubleshooting the I/O board ....................................................................................................... 162 Troubleshooting the 38/24v power supply....................................................................................... 162 Printer’s Service Menus......................................................................... 163 TOOLS > USER CLEANING AND MAINTENANCE....................................................163 Menu: Maintenance reminders ....................................................................................................... 163 Menu:

Replace UV lamp bulb or bulbs............................................................................................. 163 Menu: Clean rail encoder strip ....................................................................................................... 163 Menu: Clean ionizer needles.......................................................................................................... 163 Menu: Clean and lube rail strips..................................................................................................... 163 Menu: Clean print head orifice plates.............................................................................................. 163 Menu:

Clean/lube service station rails............................................................................................. 163 Menu: Clean service station wiper .................................................................................................. 163 Menu: Clean carriage wheels......................................................................................................... 164 Menu: Vacuum bottom of carriage .................................................................................................. 164 Menu: Clean carriage home sensor................................................................................................. 164 Menu:

Replace UV lamp filters........................................................................................................ 164 Menu: Clean electronics box filters.................................................................................................. 164 Menu: Replace service station wiper................................................................................................ 164 Menu: Drain waste from service station............................................................................................ 164 Menu: Clean media thickness sensor roller.......................................................................................

164 TOOLS > USER DIAGNOSTICS ..............................................................................165 Menu: Carriage motion ................................................................................................................. 165 Menu: Rail motion......................................................................................................................... 165 Menu: Calibration......................................................................................................................... 165 Menu: Verify H2H Y Alignment....................................................................................................... 165 Menu:

Print quality........................................................................................................................ 165 Menu: Service station .................................................................................................................... 165 Vacuum pressure .......................................................................................................................... 165 Menu: Hard drive ......................................................................................................................... 165 Menu:

LVDS ................................................................................................................................. 165 Menu: Print diagnostic plot............................................................................................................. 165 Menu: Print jet statistics.................................................................................................................. 166 Menu: Warnings and actions list .................................................................................................... 166 Menu:

Error history ....................................................................................................................... 166 Menu: Log error history.................................................................................................................. 166 Menu: Log system info ................................................................................................................... 166 TOOLS > SERVICE PRINTER > DEVICE TESTS...........................................................167 Menu: Device test wizard............................................................................................................... 167 Menu:

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