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HP LaserJet M1319 Service Manual - Page 68

Product base paper path, Operational theory

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Step 6 Step 7 After the image is transferred, the media enters the fuser assembly where heat from the fuser and pressure from the pressure roller permanently bond the toner image to media. The paper-delivery sensor (PS803) determines that the media has successfully moved out of the fusing area. The fuser-assembly exit rollers deliver media to the output bin face-down. Figure 5-6 Product base paper path 50 Chapter 5 Operational theory ENWW

Section	Page
Product information	19
Quick access to product information	20
Product configuration	21
Configuration table	21
Features table	21
Product walkaround	23
Front view	23
Back view	24
Interface ports	24
Location of serial number and model number	25
Supported operating systems	26
Software included with the product	26
Easy installation for Windows	26
Advanced installation	26
Macintosh software	27
Supported printer drivers	27
Connectivity	27
Connect the product directly to a computer with USB	27
Control panel	29
Control panel walkaround	30
Control-panel menus	31
Use the control-panel menus	31
Control-panel main menus	31
Paper and print media	39
Supported paper and print media sizes	40
Load paper and print media	41
Priority input tray	41
Tray 1	42
Configure trays	42
Manage and maintain	43
Information pages	44
Use the HP Toolbox software	45
View HP Toolbox	45
Status	45
Fax	46
Fax tasks	46
Fax phone book	46
Fax send log	48
Fax receive log	48
Other Links	48
Manage supplies	49
Check and order supplies	49
Check supplies status by using the control panel	49
Store supplies	50
HP policy on non-HP supplies	50
HP fraud hotline	50
Recycle supplies	50
Replace supplies	51
Print cartridge	51
Clean the product	53
Clean the paper path	53
Clean the glass and white platen	53
Clean the exterior	54
Firmware updates	54
Operational theory	55
Basic operation	56
Sequence of operation	57
Sequence of operation, scanner	57
Sequence of operation, product base	58
Formatter system	59
Central processing unit	59
Fax card	59
Standard startup process	60
Product startup messages	60
RAM	60
USB interface	60
Control panel	60
Product base functions	61
Engine control system (engine control unit and power-supply assembly)	62
Print-engine control system	62
Product base laser/scanner	63
Power system on the power-supply assembly	64
AC power distribution	64
DC power distribution	64
Overcurrent/overvoltage	64
High-voltage power distribution	65
Image-formation system	66
The seven image-formation processes	66
Print cartridge	67
Product base paper-feed system	67
Jam detection in the product	69
Conditions of jam detection	69
HP LaserJet M1319f components	70
Basic operation	70
ADF pickup-and-feed system	72
Optical scanning system	74
Fax functions and operation	76
Computer and network security features	76
PSTN operation	76
Receive faxes when you hear fax tones	77
Distinctive ring function	77
Fax by using Voice over IP services	77
The fax subsystem	78
Fax card in the fax subsystem	78
Safety isolation	78
Safety-protection circuitry	78
Data path	79
Hook state	79
Downstream device detection	79
Hook switch control	80
Ring detect	80
Line current control	80
Billing- (metering-) tone filters	80
Fax page storage in flash memory	80
Stored fax pages	80
Advantages of flash memory storage	81
Removal and replacement	83
Removal and replacement strategy	84
Warnings, cautions, notes, and tips	84
Electrostatic discharge	84
Required tools	85
Types of screws	85
Service approach	86
Before performing service	86
After performing service	87
Post-service tests	87
Test 1 (print-quality test)	87
Test 2 (copy-quality test)	87
Test 3 (fax-quality test)	88
Parts removal order	89
Scanner assemblies	91
Link assemblies and scanner support-frame spring	91
Scanner side covers	94
Separation-pad set	96
Top cover, control panel	97
Control-panel assembly	99
Media lever and media-lever torsion spring	100
Separation-pad assembly	101
Scanner assembly	103
Scanner assembly top cover	111
Top-cover assembly	114
Pickup roller	115
White platen	116
Product base	117
Handset	117
Separation pad	118
Print cartridge	119
Pickup roller	120
Installing the scanner cushions	123
Media input tray	124
Transfer roller	126
Side covers	128
Print-cartridge door	130
Rear cover and fuser cover	131
Front cover	133
Speaker assembly	136
Power supply	137
Formatter and fax card	140
Scanner support-frame	142
Engine controller unit (ECU)	145
Laser/scanner assembly	149
Main motor	150
Fuser	152
Paper-pickup assembly	154
Solve problems	155
Problem-solving checklist	156
Menu map	158
Print a menu map	158
Tools for troubleshooting	159
Component tests	159
Drum rotation test	159
Half self-test functional check	160
Perform a half self-test check	160
Perform other checks	160
Heating element check	161
High-voltage contacts check	161
Check the print-cartridge contacts	161
Check the high-voltage connector assembly	161
Problem-solving diagrams	162
Repetitive image defects	162
Component locations	163
Timing diagram, product base	166
Main wiring	167
Formatter PCA and fax card connectors	170
Control-panel messages	172
Solve control-panel display problems	172
Alert and warning messages	172
Alert and warning message tables	172
Critical error messages	174
Critical error message-tables	174
Solve paper-handling problems	177
Clear jams	177
Causes of jams	177
Where to look for jams	178
Clear jams from the ADF	178
Clear jams from the input-tray areas	179
Clear jams from the output bin	181
Clear jams from the print-cartridge area	182
Avoid repeated jams	183
Media-handling problems	183
Print-media guidelines	183
Solve print-media problems	184
Performance problems	185
Solve image-quality problems	187
Print-quality problems	187
Improve print quality	187
Print-quality settings	187
To temporarily change print-quality settings	187
To change print-quality settings for all future jobs	187
Checking the print cartridge	188
To redistribute the toner in the print cartridge	188
Identify and correct print defects	188
Print-quality checklist	188
General print-quality issues	188
Solve copy problems	193
Prevent copy problems	193
Image problems	193
Media-handling problems	194
Performance problems	196
Solve scan problems	197
Solve scanned-image problems	197
Scan-quality problems	198
Prevent scan-quality problems	198
Solve scan-quality problems	198
Solve control-panel display problems	199
Solve connectivity problems	200
Solve direct-connection problems	200
Solve DSL problems	201
PBX line problems	201
Solve fax with Voice over IP services problems	202
Service-mode functions	203
NVRAM initialization	203
Super NVRAM initialization	203
Password reset or bypass	203
Service menu	204
Secondary service menu	205
Solve fax problems	206
General fax troubleshooting	206
Fax error messages	208
Alert and warning message tables	208
Fax memory is retained when there is a loss of power	212
Fax logs and reports	212
Print all fax reports	212
Print individual fax reports	212
Set the fax activity log to print automatically	213
Set the fax error report	213
Set the fax confirmation report	214
Include the first page of each fax on the fax confirmation, fax error, and last call reports	214
Change error correction and fax speed	214
Set the fax-error-correction mode	214
Change the fax speed	215
Problems sending faxes	215
Problems receiving faxes	218
Performance problems	220
Parts	221
Ordering information	222
Supplies and hinge tool	222
Cable and interface accessories	222
Whole unit replacement	223
Control-panel overlay	225
Supplementary documentation and support	227
Parts lists and diagrams	229
Screws	229
Scanner components and handset	230
External assemblies	230
ADF components	232
Frame assembly	234
Guide assembly	236
Product base	238
External assemblies and print cartridge	238
External covers	240
Formatter and fax card	242
Internal components	244
Alphabetical parts list	250
Numerical parts list	254
Service and support	259
Hewlett-Packard limited warranty statement	259
Customer self repair warranty service	260
Print cartridge limited warranty statement	261
Customer support	261
Repack the device	262
Specifications	263
Physical specifications	264
Electrical specifications	264
Power consumption	264
Environmental specifications	265
Acoustic emissions	265
Regulatory information	267
FCC compliance	268
Telephone Consumer Protection Act (United States)	269
IC CS-03 requirements	269
EU statement for telecom operation	270
New Zealand telecom statements	270
Declaration of conformity	271
Certificate of Volatility	272
Safety statements	273
Laser safety	273
Canadian DOC regulations	273
EMI statement (Korea)	273
Laser statement for Finland	274
Substances table (China)	275