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HP M1522nf Service Manual - Page 86

the original document immediately after it is scanned, eliminating the need to wait until the fax is

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the original document immediately after it is scanned, eliminating the need to wait until the fax is transmission is complete. Because fax pages are stored in flash memory rather than RAM, more RAM is available to handle larger and more complicated copy and print jobs. 68 Chapter 4 Operational theory ENWW

Section	Page
Product information	19
Quick access to product information	20
Product comparison	21
Product features	22
Product walkaround	23
Front view	23
Back view	23
Interface ports	24
Control-panel	24
Serial number and model number location	25
Software description	26
Supported operating systems	26
Supported printer drivers	26
Software included with the product	26
Recommended installation for Windows	26
Express installation (USB or network)	27
Macintosh software	27
Software for Windows	27
HP ToolboxFX	27
Embedded Web server (EWS)	28
Software for Macintosh	28
HP Director	28
Macintosh Configure Device (Mac OS X v10.3, v10.4, and later)	28
PDEs (Mac OS X v10.3, v10.4, and later)	29
Uninstall software	29
Windows	29
Macintosh	29
Media specifications	30
Supported paper and print media sizes	30
Supported paper types and tray capacity	31
Installation	33
Site preparations	34
Operating environment	34
Minimum system requirements	35
What was in the box	36
Install input devices	37
ADF input tray	37
Priority input tray	38
Tray 1	39
Install supplies	40
Install the print cartridge	40
Maintenance	43
Manage supplies	44
Life expectancies of supplies	44
Check and order supplies	44
Store supplies	44
Replace supplies	45
Print cartridge	45
HP policy on non-HP supplies	46
HP fraud hotline	47
Clean the product	48
Clean the exterior	48
Clean the flatbed scanner glass	48
Clean the scanner-cover backing	49
Clean the ADF pickup-roller assembly	50
Clean the paper path	52
Clean the paper path from HP ToolboxFX	52
Clean the paper path from the product control panel	52
Calibrate the scanner	52
Calibrate the scanner from HP ToolboxFX	53
Calibrate the scanner from the product control panel	53
Management tools	54
Information pages	54
HP ToolboxFX	55
View HP ToolboxFX	55
Status	56
Event log	56
Alerts	56
Set up status alerts	56
Set up e-mail alerts	56
Fax	57
Fax tasks	57
Fax phone book	57
Fax send log	59
Fax receive log	59
Block Faxes	59
Help	59
System Settings	60
Device information	60
Paper handling	61
Print quality	61
Paper types	61
System setup	62
Service	62
Device polling	62
Print Settings	62
Printing	62
PCL 5e	63
PostScript	63
Network Settings	63
Embedded Web server	63
Features	63
Use HP Web Jetadmin software	64
Operational theory	65
Basic operation	66
Sequence of operation for the base unit	66
Scanner and ADF functions and operation	68
Scanner functions	68
Scanner operation	69
ADF operation	69
ADF paper path and ADF sensors	70
ADF jam detection	71
Internal components (base unit)	72
Engine control system	73
Laser/scanner system	75
Pickup/feed/delivery system	76
Image-formation system	77
Fax functions and operation (fax models only)	81
Computer and network security features	81
PSTN operation	81
Receive faxes when you hear fax tones	81
Distinctive ring function	82
Fax by using Voice over IP services	82
The fax subsystem	83
Fax card in the fax subsystem	83
Safety isolation	83
Safety-protection circuitry	83
Data path	84
Hook state	84
Downstream device detection	84
Hook switch control	84
Ring detect	85
Line current control	85
Billing- (metering-) tone filters	85
Fax page storage in flash memory	85
Stored fax pages	85
Advantages of flash memory storage	85
Removal and replacement	87
Removal and replacement strategy	88
Introduction	88
Removal and replacement warnings, cautions, notes and tips	88
Electrostatic discharge	89
Required tools	89
Before performing service	89
After performing service	90
Post-service tests	91
Test 1 (print-quality test)	91
Test 2 (copy-quality test)	91
Test 3 (fax-quality test)	91
Parts removal order	92
Scanner and ADF components	93
ADF input tray	93
Flatbed lid	94
Link assemblies and scanner support-frame springs	97
Control-panel bezel	99
Control-panel assembly	100
ADF separation pad	101
ADF input-tray flag	102
ADF pickup roller assembly	103
ADF scanner glass	106
Scanner assembly	108
Product base	113
Print cartridge	113
Separation pad (product base)	114
Pickup roller (product base)	115
Scanner cushions	118
Media input tray	119
Transfer roller	121
Side covers	122
Print-cartridge door	124
Rear cover and fuser cover	125
Front cover	127
Speaker assembly	129
Formatter and fax card	131
Power supply	132
Scanner support-frame	136
Laser/scanner assembly	139
Main motor	143
Fuser	146
Paper-pickup assembly	150
Drive-gear assembly and drive belt	153
Problem solve	155
Problem-solving checklist	156
Control-panel messages	158
Alert and warning messages	158
Alert and warning message tables	158
Critical error messages	165
Critical error message-tables	165
Clear jams	167
Causes of jams	167
Where to look for jams	168
Clear jams from the ADF	169
Clear jams from the input-tray areas	171
Clear jams from the output bin	173
Clear jams from the print-cartridge area	174
Print problems	175
Print-quality problems	175
Improve print quality	175
Print-quality settings	175
Temporarily change print-quality settings	175
Change print-quality settings for all future jobs	175
Identify and correct print defects	176
Print-quality checklist	176
General print-quality issues	176
Scan problems	181
Solve scanned-image problems	181
Scan-quality problems	183
Prevent problems	183
Solve scan-quality problems	183
Copy problems	184
Prevent problems	184
Image problems	184
Media-handling problems	185
Performance problems	187
Fax problems (fax models only)	188
General fax problem-solve	188
Problems receiving faxes	189
Problems sending faxes	192
Voice-call problems	193
Media-handling problems	194
Performance problems	195
Functional checks	196
Engine test page	196
Drum rotation test	196
Half self-test functional check	197
Perform a half self-test check	197
Perform other checks	197
Heating element check	198
High-voltage contacts check	198
Check the print-cartridge contacts	198
Check the high-voltage connector assembly	199
Service-mode functions	200
NVRAM initialization	200
Super NVRAM initialization	200
Secondary service menu	200
Problem-solve tools	202
Product information pages and reports	202
Configuration page	202
Supplies Status page	202
PCL, PCL 6, or PS font list	202
Demo page	203
Usage page	203
Menu map	203
Network report	203
Fax reports	204
Fax activity log	204
Fax confirmation report	204
Last call report	204
Phone book report	204
Billing-code report	206
HP ToolboxFX	206
View HP ToolboxFX	206
Troubleshooting tab	206
Service menu	207
Restore the factory-set defaults	207
Clean the paper path	208
T.30 protocol trace	209
Archive print	209
Problem-solve diagrams	210
Repetitive image defects	210
Interface ports	211
ECU connectors	212
Formatter PCA	213
Fax card	214
Solenoid and motor	215
Rollers	216
Sensors	217
Major components	218
PCAs (base unit)	219
Scanner and ADF	220
Circuit diagram	221
Firmware updates	222
Firmware update by using a flash executable file	222
Parts	223
Ordering information	224
Supplies and hinge tool	224
Cable and interface accessories	224
Whole unit replacement	225
Control-panel bezels	229
Supplementry documentation and support	232
Parts lists and diagrams	234
Types of screws	235
ADF and scanner assemblies	236
ADF internal components	238
Assemblies	240
External covers and panels	242
Internal components (1 of 3)	244
Internal components (2 of 3)	246
Internal components (3 of 3)	248
Alphabetical parts list	250
Numerical parts list	253
Service and support	257
Hewlett-Packard limited warranty statement	257
Customer self repair warranty service	258
Print cartridge limited warranty statement	259
Customer support	260
HP maintenance agreements	260
Repacking the device	260
Extended warranty	260
Specifications	261
Physical specifications	262
Electrical specifications	262
Power consumption	262
Environmental specifications	263
Acoustic emissions	263
Regulatory information	265
FCC compliance	266
Environmental product stewardship program	267
Protecting the environment	267
Ozone production	267
Power consumption	267
Toner consumption	267
Paper use	267
Plastics	267
HP LaserJet print supplies	267
Return and recycling instructions	268
United States and Puerto Rico	268
Multiple returns (two to eight cartridges)	268
Single returns	268
Shipping	268
Non-US returns	268
Paper	268
Material restrictions	268
Disposal of waste equipment by users in private households in the European Union	269
Material Safety Data Sheet (MSDS)	269
For more information	270
Telephone Consumer Protection Act (United States)	271
IC CS-03 requirements	271
EU statement for telecom operation	272
New Zealand telecom statements	272
Declaration of conformity	273
Declaration of conformity	274
Safety statements	275
Laser safety	275
Canadian DOC regulations	275
EMI statement (Korea)	275
Laser statement for Finland	276
Substances table (China)	277