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HP 2200 Service Manual - Page 167

When replacing the pickup roller assembly

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Step 8 Slide the roller assembly away from the white bushing (allow the shaft extend into the mounting hole of the black bushing). Step 9 Tilt the roller assembly shaft out of the carriage, and lift it out. Figure 128. Remove the pickup roller assembly Note When replacing the pickup roller assembly, verify that the paper-to-tray sensor arm moves freely and is correctly positioned. Verify that the pickup roller assembly completely engages the drive shaft. C7058-90936 Internal disassembly and assembly 151

Section	Page
Table of contents	5
List of figures	11
List of tables	15
Product information	17
Printer features	18
Identification	20
Specifications	21
Product overview	23
External assembly locations	23
Internal assembly locations	26
Safety information	27
Toner safety	27
Laser safety	28
LED safety	28
Regulatory information	28
FCC regulations	28
Declaration of conformity	28
Environmental Product Stewardship Program	29
Protecting the environment	29
Service approach	31
Bench repair warranty	31
HP Express Exchange	31
Ordering information	31
Supplemental documentation	32
HP Direct ordering for genuine HP parts	32
Consumables	33
World Wide Web	33
HP service parts information compact disc	33
HP support assistant compact disc	33
Reseller sales and service support	33
Technical assistance	34
Worldwide sales and service offices	34
Operating requirements	41
Site requirements	42
Operating environment	42
Printer space requirement	43
Media specifications	44
General media specifications	44
Guidelines for selecting paper	45
Media input options	46
Tray 1 media sizes	47
Tray 2 and tray 3 (250-sheet feeder)	48
Tray 3 (500-sheet feeder)	48
Envelope specifications	49
Label specifications	51
Transparency specifications	52
Storing print media	52
Shipping print media	53
Paper fillers	53
Testing media specifications	53
Tools and suppliers	57
Printer configuration	59
Using the control panel	60
Control panel	60
Control panel lights	60
Job Cancel	60
Go	60
Printing a demo page	61
Self test/configuration page	63
Self test/configuration-page elements	64
JetDirect configuration page	65
JetDirect configuration-page elements	66
Continuous self test	66
Engine test	67
Performing an engine test	67
Service mode	68
Entering service mode	68
Entering escape characters	68
Setting the page count	69
Setting the cold reset default	70
Resetting the printer	71
Cold reset	71
NVRAM initialization	71
EIO card reset	71
Network printing	72
Installing an HP JetDirect EIO card	72
IR printing	74
Fast Infrared Receiver	74
Using the FIR port	74
Printer maintenance	75
Service check points	76
Periodic inspection of parts	76
Cleaning the printer and accessories	77
General cleaning	77
Internal cleaning	78
Engine cleaning	80
Toner cartridge information	81
Storage	81
Handling instructions	81
Refilled toner cartridges	82
Recycling toner cartridges	82
Toner cartridge weights	82
Toner cartridge life expectancy	82
Saving toner with EconoMode	82
Redistributing the toner	83
Theory of operation	85
Basic operations	86
Power-on sequence	86
Basic print-period operating sequences	87
Printer timing	88
Printer functionality and operation	89
Formatter system	90
Formatter hardware	91
Formatter subsystem	91
Engine control system	93
Engine control subsystems	94
Image formation system	96
Pickup/feed system	102
Sheet feeder	104
Media detection	106
Media detection	106
Media-size detection	106
Jam detection	107
Pickup sensors	107
Delivery sensors	107
Reversing sensors	108
Duplexer sensors	108
Paper-feed sensor	108
Removal and replacement	109
Removal and replacement strategies	111
Required tools	111
Toner cartridge removal and replacement	112
Remove the toner cartridge	112
Cover and tray removal and replacement	113
Remove tray 3	113
Remove the cassette from tray 2	113
Remove I/O cover	114
Remove EIO card	114
Remove DIMM cover	115
Remove rear cover	116
Remove top cover	118
Remove left cover	121
Remove tray 1	122
Internal disassembly and assembly	125
Remove transfer roller	125
Remove DIMM	127
Remove formatter PCB	128
Remove EIO shield and guide	129
Remove fuser assembly	130
Remove fuser-film heater assembly	133
Remove pressure roller	135
Remove duplexer tray	136
Remove duplexer media guide	137
Remove power supply assembly	138
Remove upper output delivery roller	141
Disassemble the upper output delivery roller	142
Remove lower output delivery rollers	143
Remove laser/scanner assembly	144
Remove transport belts and rollers	146
Remove ribbon cable harness	148
Remove duplexer reverse motor	149
Remove printer drive assembly	150
Remove engine controller assembly	151
Remove main motor	152
Remove motor plate	153
Remove printer drive assembly gears	155
Remove tray 1 pickup roller	156
Remove tray 1 pickup roller assembly	158
Remove tray 1 separation pad assembly	161
Remove tray 1 paper-sensor lever	162
Remove tray 1 solenoid	164
Remove tray 2 pickup roller assembly	165
Replace tray 2 pickup roller	168
Remove tray 2 pickup roller and refeeder assembly	169
Remove tray 2 solenoid	172
Remove duplexer drive gears and solenoid	173
Remove registration assembly	174
Remove tray 3 assembly connector	176
Remove cooling fan	177
Remove toner-cartridge guide	178
Remove dc bias voltage contacts (leaf springs)	180
Tray 3 disassembly and assembly	182
Remove tray 3 (250-sheet feeder) cassette	182
Remove tray 3 (250-sheet feeder) pickup roller	183
Remove tray 3 (250-sheet feeder) feeder drive assembly	184
Remove tray 3 (250 sheet-feeder) drive solenoid	186
Remove tray 3 (500-sheet feeder) cassette	187
Remove tray 3 (500-sheet feeder) pickup roller	188
Remove tray 3 (500-sheet feeder) feeder drive assembly	189
Remove tray 3 (500 sheet-feeder) drive solenoid	191
Troubleshooting	193
Troubleshooting process	194
Preliminary operating checks	194
Basic fault isolation	194
Troubleshooting process flow	196
Power-on	197
Troubleshooting with control-panel messages	198
Control panel lights	198
Control-panel light messages	198
Media-handling problems	208
Print test pages	208
Engine test	208
Self test/configuration page	208
Jam troubleshooting	209
Media problems	213
Evaluate the test pages	214
Status-log messages	214
Verify installed options	214
Image-formation troubleshooting	215
Image defect tables	217
Repetitive defect ruler	223
Half self test functional check	224
Drum-rotation functional check	224
Media troubleshooting	225
Determine the problem source: print media or printer	225
Isolate a paper path	225
Isolate a media brand	226
Isolate a media type	227
Evaluate media use practices	231
Evaluate environmental conditions	231
Communication troubleshooting	233
Communications check	233
Test message	233
EIO troubleshooting	233
JetDirect configuration-page elements	235
JetDirect configuration	235
Reference diagrams	236
Parts and diagrams	243
Introduction	244
Ordering parts	244
Ordering consumables	244
Consumables, accessories, and supplies	245
Common fasteners and torque values	246
Illustrations and parts lists	247
External covers and panels	247
Top cover assembly	249
Internal components	251
Power supply assembly	261
Printer drive assembly	263
Cassette pickup assembly	265
Fusing assembly	267
PCB assembly location	269
250-sheet feeder external covers	271
Tray 2 and 250-sheet feeder cassette	273
250-sheet feeder internal components	275
250-sheet feeder drive assembly	277
250-sheet feeder PCB assembly location	279
500-sheet feeder external covers	281
500-sheet feeder cassette	283
500-sheet feeder internal components	285
500-sheet feeder drive assembly	287
500-sheet feeder PCB assembly location	289
Alphabetical parts list	291
Numerical parts list	300