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HP LaserJet 5200 Service Manual - Page 186

Removing the duplexer fan 5 of 5

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5. Unhook four claws (callout 8) and then remove the duplexer fan (callout 9). Figure 5-173 Removing the duplexer fan (4 of 5) Hint When you reinstall the duplexer fan, make sure that the fan is installed where the air flow is in the direction of the arrow (callout 10) and the fan cables (callout 11) are positioned correctly. Figure 5-174 Removing the duplexer fan (5 of 5) 166 Chapter 5 Removal and replacement ENWW

Section	Page
Product information	21
Quick access to printer information	22
Printers at a glance	23
HP LaserJet 5200 Series printers	23
Features at a glance	24
Walkaround	26
Control-panel overview	28
Printer software	30
Printer drivers	30
Driver Autoconfiguration	30
Update Now	31
HP Driver Preconfiguration	31
Additional drivers	31
Opening the printer drivers	32
Software for Macintosh computers	32
Installing Macintosh printing system software for networks	33
Installing Macintosh printing system software for direct connections (USB)	33
To remove software from Macintosh operating systems	34
Software for networks	34
HP Web Jetadmin	34
UNIX	34
Linux	35
Utilities	35
HP Easy Printer Care Software	35
Embedded Web server	35
Other components and utilities	35
Selecting print media	36
Supported media sizes	36
Supported media types	38
Installation and configuration	39
What is in the box	40
Identification	41
Model and serial numbers	41
Site requirements	42
Physical specifications	42
Space requirements	42
Input/Output (I/O) configuration	43
Parallel configuration	43
USB configuration	43
Connecting the USB cable	43
Network configuration	44
Manually configuring TCP/IP parameters from the control panel	44
Setting an IP address	44
Setting the subnet mask	45
Setting the default gateway	45
Disabling network protocols (optional)	46
To enable or disable IPX/SPX	46
To enable or disable AppleTalk	46
To disable DLC/LLC	47
Enhanced I/O (EIO) configuration	47
HP Jetdirect EIO print servers	47
Connecting to a network or a computer	47
Installing printer memory	50
To install printer memory	50
Checking DIMM installation	54
Installing CompactFlash cards	55
Checking CompactFlash installation	59
Enabling memory (Windows only)	60
Maintenance	61
Managing supplies	62
Approximate print-cartridge replacement intervals	62
Managing the print cartridge	62
Print-cartridge life expectancy	62
Print-cartridge storage	62
HP print cartridges	62
HP policy on non-HP print cartridges	62
Print-cartridge authentication	63
HP fraud hotline and Web site	63
Checking supply levels	63
To check supplies by using the control panel	63
To check supplies by using HP Web Jetadmin	63
To check supplies using the embedded Web server	63
Replacing supplies and parts	64
Supply replacement guidelines	64
Life expectancy of consumable parts	64
Changing the print cartridge	64
To change the print cartridge	65
Cleaning the printer	68
Cleaning the printer manually	69
Cleaning the paper path using the printer control panel	69
Cleaning spilled toner	70
Vacuum specifications	70
Theory of operation	71
Engine control system	72
Power-on sequence	73
Motors, fans, and solenoids	73
Laser/scanner system	75
Pickup-and-feed-system	76
Cassette (tray 2) pickup mechanism	77
Multipurpose-tray (tray 1) pickup mechanism	78
Jam detection	78
Image-formation system	79
Image-formation process	80
Latent-image formation block	80
Step 1: primary charging	80
Step 2: laser-beam exposure	81
Development block	81
Step 3: developing	81
Transfer block	81
Step 4: image transfer	81
Step 5: separation from the drum	82
Fixing block	82
Step 6: fusing	82
Drum-cleaning block	82
Step 7: drum cleaning	82
Print cartridge	83
Print-cartridge activation	83
Removal and replacement	85
Removal and replacement strategy	86
Introduction	86
Required tools	86
Types of screws	87
Service approach	87
Before performing service	88
After performing service	88
Parts removal order	88
Customer self-repair parts	90
Tray 1 pickup roller	90
Tray 2 pickup roller	92
Tray 2 separation pad	93
Tray 3 retard roller	94
Tray 3 pickup and feed rollers	95
Formatter	96
CompactFlash cards	97
DIMMs	100
Control-panel overlay	104
Duplexer	104
External doors, covers, and panels	106
Right cover	106
Lower back cover	106
Face-up bin	107
Top cover	109
Left cover	112
Left front cover	114
Face-down cover	115
Tray 2	116
Right front cover	116
Right lower cover	117
DC controller cover	120
Cartridge door unit	120
Control panel	128
Internal assemblies	130
Laser/scanner	130
Formatter	131
Fuser	132
Cassette-paper pickup unit	133
Face-down delivery unit	138
Main motor	140
Fuser motor	145
Main fan	146
Sub fan	149
Registration unit	154
Transfer roller	155
Paper-feed unit	156
Printed circuit assemblies (PCAs)	159
DC controller	159
High-voltage power supply	162
Low-voltage power supply PCA	171
Duplexer	175
Duplexer	175
Duplexer left cover	176
Duplexer right cover	177
Duplexer top cover	178
Duplexer back cover	179
Duplexer feed motor	181
Duplexer fan	184
Duplexer PCA	187
500-sheet feeder	189
500-sheet feeder front cover	189
500-sheet feeder left front cover	190
500-sheet feeder left cover	190
500-sheet feeder right front cover	192
500-sheet feeder right cover	193
500-sheet feeder rear dust cover	195
500-sheet feeder paper-pickup unit	196
500-sheet feeder lifter drive unit	200
500-sheet feeder drive unit	202
500-sheet feeder drive PCA	206
500-sheet feeder pickup motor	206
Troubleshooting	209
Introduction	211
Basic troubleshooting checklist	212
Factors that affect printer performance	212
Troubleshooting flowchart	213
Step 1: Does READY appear on the control-panel display?	213
Step 2: Can you print a configuration page?	213
Step 3: Can you print from a program?	214
Step 4: Does the job print as expected?	215
Step 5: Does the printer select the trays?	216
Solving general printing problems	218
Control-panel message types	221
Control-panel messages	222
Replacement-parts configuration	240
Formatter and DC controller	240
Formatter (new)	240
DC controller (new or previously installed in another printer)	240
Formatter	240
Guidelines for using paper	241
Printing special pages	242
Data collection	243
General paper-path troubleshooting	244
Paper-path checklist	244
Jams in tray 1	245
Jams in tray 2 or the optional 500-sheet feeder	245
Common causes of jams	246
Jam locations	247
Jam recovery	249
Clearing jams	250
Clearing jams from the input-tray areas	250
Clearing jams from the print-cartridge area	251
Clearing jams from the output-bin areas	253
Clearing jams from the optional duplexer	255
Solving repeated jams	256
Troubleshooting print-quality problems	258
Print-quality problems associated with media	258
Print-quality problems associated with the environment	258
Print-quality problems associated with jams	258
Image-defect examples	258
Light print (partial page)	260
Light print (entire page)	260
Specks	261
Dropouts	261
Lines	262
Gray background	262
Toner smear	263
Loose toner	263
Repeating defects	264
Repeating image	264
Misformed characters	264
Page skew	265
Curl or wave	265
Wrinkles or creases	266
Vertical white lines	266
Tire tracks	267
White spots on black	267
Scattered lines	267
Blurred print	268
Random image repetition	268
Interface troubleshooting	270
Communication checks	270
AUTOEXEC.BAT standard configurations	270
Parallel MS-DOS commands	270
Printer Job Language (PJL) commands	270
@PJL [Enter]	270
UEL	271
@PJL COMMENT	271
@PJL INFO CONFIG	271
@PJL INFO ID	271
@PJL INFO USTATUS	271
@PJL INFO PAGECOUNT	271
@PJL JOB	271
@PJL EOJ	272
@PJL ECHO	272
@PJL USTATUS JOB=ON/OFF	272
@PJL USTATUSOFF	272
Changing printer-control-panel configuration settings	273
Changing control-panel settings	273
To change a control-panel setting	273
Show address	273
Tray-behavior options	274
Sleep Delay	275
Personality	276
Clearable warnings	276
Auto continue	277
Cartridge low	277
Cartridge-out response	277
Jam recovery	278
RAM disk	278
Language	279
Fuser modes	279
Using the control-panel menus	281
To use the menus	281
Show Me How menu	282
Retrieve Job menu	283
Information menu	284
Paper Handling menu	285
Configure Device menu	286
Printing submenu	286
Print Quality submenu	288
System Setup submenu	291
I/O submenu	295
Resets submenu	296
Diagnostics menu	297
Service menu	298
Tools for troubleshooting	299
Using the configuration page	299
Using the embedded Web server	300
Accessing the embedded Web server	301
Information tab	301
Settings tab	301
Setting the real-time clock	302
Networking tabs	302
Other links	302
Configuration pages	303
Configuration page	303
HP embedded Jetdirect page	303
Paper-handling configuration page	304
Finding important information on the configuration page	304
Print the supplies status page	305
Print the usage page	306
Print the file directory page	308
Print the PCL font list page	309
Print the PS font list page	310
Diagnostics	311
Embedded HP Jetdirect LEDs	311
Heartbeat LED	312
Printer resets	313
Cold reset	313
To perform a cold reset	313
NVRAM initialization	313
To initialize NVRAM	314
Perform the self test	314
Save + Restore	314
Replacing the formatter and the DC controller	315
Replacing the formatter only	315
Replacing the DC controller only	316
Service menu (service PIN codes)	316
Service ID	317
Restoring the Service ID	317
Converting the Service ID to an actual date	317
Test pages	318
Engine-test page	318
Formatter-test page	318
Troubleshooting network printing problems	319
Troubleshooting common Windows problems	320
Troubleshooting common Macintosh problems	321
Troubleshooting Linux problems	323
Troubleshooting common PostScript problems	324
General problems	324
Parts and diagrams	329
Parts	330
How to use the parts lists and diagrams	331
Types of screws	331
Related documentation and software	332
Accessories and supplies	332
External panels and covers	336
Internal components	340
Paper-feed assembly	346
Face-up delivery assembly	348
Face-down delivery assembly	350
PCAs	352
Fuser	354
Cassette (tray 2)	356
Cassette (tray 2) paper-pickup assembly	358
500-sheet feeder cassette (tray 3)	360
500-sheet feeder, cassette, external panels and covers	362
500-sheet feeder internal components	364
500-sheet feeder paper-pickup assembly	366
500-sheet feeder drive assembly	368
500-sheet feeder lifter-drive assembly	370
500-sheet feeder PCA	372
Duplexer	374
Duplexing PCA assembly	378
Duplexing-feed drive assembly	380
Alphabetical parts list	382
Numerical parts list	389
Printer specifications	397
Electrical specifications	398
Power-consumption specifications	399
Acoustic specifications	400
Operating-environment specifications	401
Product warranty	403
Hewlett-Packard Limited Warranty Statement	404
Availability of support and service	405
HP maintenance agreements	406
Next-Day Onsite Service	406
Regulatory statements	407
FCC regulations	408
Declaration of conformity	409
Safety statements	410
Laser safety	410
Canadian DOC regulations	410
EMI statement (Korea)	410
VCCI statement (Japan)	410
Power cord statement (Japan)	410
Laser statement for Finland	411