HP (Hewlett-Packard) 3550 All in One Printer User Manual


 
Figure 6-64. Left swing guide removal (6 of 6) ..................................................................248
Figure 6-65. Left swing guide replacement .......................................................................249
Figure 6-66. Switch locations ............................................................................................250
Figure 6-67. Door switch removal ......................................................................................250
Figure 6-68. Sensor locations ............................................................................................252
Figure 6-69. Tray 2 paper sensor removal (1 of 3) ............................................................253
Figure 6-70. Tray 2 paper sensor removal (2 of 3) ............................................................253
Figure 6-71. Tray paper sensor removal (3 of 3) ...............................................................254
Figure 6-72. Registration paper sensor removal (1 of 2) ..................................................254
Figure 6-73. Registration paper sensor removal (2 of 2) ..................................................255
Figure 6-74. Media sensor removal ...................................................................................255
Figure 6-75. Fuser front paper sensor (PS6) removal ......................................................256
Figure 6-76. Fuser delivery paper sensor removal (1 of 2) ...............................................256
Figure 6-77. Fuser delivery paper sensor removal (2 of 2) ...............................................257
Figure 6-78. Face-down (output bin) delivery paper sensor removal ...............................257
Figure 6-79. Reversed paper sensor removal (1 of 2) ......................................................258
Figure 6-80. Reversed paper sensor removal (2 of 2) ......................................................258
Figure 6-81. Duplex feed delivery paper sensor removal .................................................259
Figure 6-82. Rear output bin paper sensor removal .........................................................259
Figure 6-83. Color misregistration sensor removal ...........................................................260
Figure 6-84. Waste toner level sensor removal .................................................................261
Figure 6-85. Developing engaging sensor removal ..........................................................261
Figure 6-86. Environmental sensor removal .....................................................................262
Figure 6-87. Secondary transfer roller engaging sensor removal .....................................262
Figure 6-88. Solenoid and clutch locations .......................................................................263
Figure 6-89. Tray 1 pick-up solenoid removal ...................................................................264
Figure 6-90. Tray 2 pick-up solenoid removal (1 of 2) ......................................................264
Figure 6-91. Tray 2 pick-up solenoid removal (2 of 2) ......................................................265
Figure 6-92. Secondary transfer roller engaging solenoid removal (1 of 2) ......................265
Figure 6-93. Secondary transfer roller engaging solenoid removal (2 of 2) ......................266
Figure 6-94. Duplex feed solenoid removal .......................................................................266
Figure 6-95. Registration clutch removal (1 of 2) ..............................................................267
Figure 6-96. Registration clutch removal (2 of 2) ..............................................................267
Figure 6-97. Black development clutch removal (2 of 2) ...................................................268
Figure 6-98. Developing engaging drive clutch removal ...................................................268
Figure 6-99. Motor and fan locations .................................................................................269
Figure 6-100. Feed motor removal (1 of 3) .........................................................................270
Figure 6-101. Feed motor removal (2 of 3) .........................................................................270
Figure 6-102. Feed motor removal (3 of 3) .........................................................................271
Figure 6-103. Delivery motor removal .................................................................................271
Figure 6-104. Drum motor removal (1 of 3) .........................................................................272
Figure 6-105. Drum motor removal (2 of 3) .........................................................................272
Figure 6-106. Drum motor removal (3 of 3) .........................................................................273
Figure 6-107. Developing motor removal (1 of 3) ................................................................273
Figure 6-108. Developing motor removal (2 of 3) ................................................................274
Figure 6-109. Developing motor removal (3 of 3) ................................................................274
Figure 6-110. Primary transfer roller engaging motor removal (1 of 4) ...............................275
Figure 6-111. Primary transfer roller engaging motor removal (2 of 4) ...............................276
Figure 6-112. Transfer roller engaging motor removal (3 of 4) ...........................................276
Figure 6-113. Transfer roller engaging motor (4 of 4) .........................................................277
Figure 6-114. Fan removal ..................................................................................................277
Figure 6-115. Circuit board locations ...................................................................................278
Figure 6-116. DC controller PCB removal ...........................................................................279
Figure 6-117. Formatter PCB (HP 3500/3550) removal (1 of 2) .........................................280
Figure 6-118. Formatter PCB (HP 3500/3500) removal (2 of 2) .........................................280
Figure 6-119. Formatter PCB (HP 3700) removal (1 of 2) ..................................................281
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