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HP LaserJet Pro CP1525 Service Manual - Page 133

Cold reset, NVRAM initialization, Product updates

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Cold reset The traditional cold reset function found in other HP LaserJet products is not supported for this product. The equivalent function is the Restore defaults option in the Service menu. Restoring the default settings unlocks menus that have been previously locked and resets all controlpanel menu items to the factory defaults. It does not reset the serial number and the page counts. NOTE: Before restoring defaults, print a menu structure report and a configuration page. Use the information on these pages to reset customer-specific settings. CAUTION: All HP Jetdirect settings are also reset. Be sure to print a configuration page before restoring defaults. Make note of the IP address that is listed on the Jetdirect configuration page. You might need to restore the IP address after restoring defaults. NVRAM initialization CAUTION: All HP Jetdirect settings are also reset. Be sure to print a configuration page before performing an NVRAM initialization. Make note of the IP address that is listed on the Jetdirect configuration page. You need to restore the IP address after performing an NVRAM initialization. Performing an NVRAM initialization resets the following settings and information: ● All menu settings are reset to factory default values. ● All localization settings, including language and country/region, are reset. After performing an NVRAM initialization, reconfigure any computers that print to this product so that the computers can recognize the product. Perform an NVRAM initialization 1. Turn the product off. 2. Simultaneously press the right arrow button and the Cancel button. Keep these buttons depressed as you turn the product on. 3. When the Permanent storage init. message appears on the display, release both buttons. 4. When the product has finished the NVRAM initialization, it returns to the Ready state. Product updates Software and firmware updates and installation instructions for this product are available at www.hp.com/support/ljcp1520series. Click Downloads and drivers, click the operating system, and then select the download for the product. ENWW Product updates 115

Section	Page
Removal and replacement	19
Introduction	20
Removal and replacement strategy	20
Electrostatic discharge	21
Required tools	21
Service approach	21
Before performing service	21
After performing service	22
Post-service test	22
Print-quality test	22
Parts removal order	22
Removal and replacement procedures	23
Remove the print cartridges	23
Rollers	24
Pickup roller	24
Separation roller	25
Transfer roller	26
Feed assembly	27
External panels, covers, and doors	28
Right cover	28
Left cover	31
Front door and Tray 1 door	33
Control-panel module	37
Rear-side cover	39
Rear-upper cover	40
Rear door and rear-lower cover	41
Top cover	43
Internal assemblies	45
Main motor	45
Fuser motor	47
Intermediate transfer belt (ITB)	48
Reinstall the ITB	53
DC controller PCA	55
Special consideration	55
Remove the DC controller PCA	55
Formatter PCA	58
Special consideration	58
Remove the formatter PCA	58
Wireless PCA	60
Power supply (high-voltage)	61
Power supply (low-voltage)	65
Power supply (fuser)	71
Fuser	74
Solve problems	77
Solve problems checklist	78
Menu map	79
Troubleshooting process	80
Pre-troubleshooting checklist	80
Power-on checks	82
Tools for troubleshooting	83
Diagrams	83
Plug/jack locations	83
Locations of major components	84
General timing charts	86
General circuit diagram	87
Use HP ToolboxFX	88
View the HP Color LaserJet CP1520 Series Toolbox	88
HP ToolboxFX sections	89
Status	89
Event log	89
Help	89
System Settings	89
Device Information	90
Paper Setup	91
Print Quality	91
Print Density	91
Paper Types	92
System Setup	92
Print Settings	92
Printing	92
PCL5c	92
PostScript	92
Network Settings	92
Shop for Supplies	92
Other Links	93
Internal print-quality test pages	93
Interpret the Print Quality Page	93
Clean the product	94
Configuration page	94
Print-quality troubleshooting tools	95
Repetitive image defects	95
Calibrate the product to align the colors	95
Control panel menus	96
Reports menu	96
Quick Forms menu	97
System Setup menu	97
Service menu	100
Network Setup menu	101
Interpret control panel messages	102
Control panel message types	102
Control panel messages	102
Paper feeds incorrectly or becomes jammed	113
The product does not pick up paper	113
The product picks up multiple sheets of paper	113
Prevent paper jams	113
Clear jams	114
Jam locations	114
Jam in Tray 1	115
Jam in Tray 2	117
Jam in the fuser area	118
Jam in the output bin	119
Solve image quality problems	120
Use the correct paper type setting in the printer driver	120
Change the paper type setting for Windows	120
Change the paper type setting for Mac	120
Adjust color settings in the printer driver	121
Change the color theme for a print job	121
Change the color options	121
Use paper that meets HP specifications	122
Print a cleaning page	123
Calibrate the product to align the colors	123
Check the print cartridges	123
Print the Supplies Status page	124
Inspect the print cartridge for damage	124
Repeating defects	125
Use the printer driver that best meets your printing needs	125
Clean the product	127
The product does not print or it prints slowly	128
The product does not print	128
The product prints slowly	128
Solve connectivity problems	129
Solve direct-connect problems	129
Solve network problems	129
Poor physical connection	129
The computer is using the incorrect IP address for the product	129
The computer is unable to communicate with the product	130
The product is using incorrect link and duplex settings for the network	130
New software programs might be causing compatibility problems	130
The computer or workstation might be set up incorrectly	130
The product is disabled, or other network settings are incorrect	130
Service mode functions	131
Service menu	131
Service menu settings	131
Restore the factory-set defaults	131
Secondary service menu	131
Open the secondary service menu	131
Secondary service menu structure	132
Engine resets	132
Engine test page	132
Cold reset	133
NVRAM initialization	133
Product updates	133
Parts and diagrams	135
Order parts by authorized service providers	136
Order replacement parts	136
Related documentation and software	136
Supplies part numbers	136
Whole-unit replacement part numbers	136
How to use the parts lists and diagrams	138
Assembly locations	139
Base product (no optional trays or accessories)	139
Covers, panels, and doors	140
Internal assemblies	142
Alphabetical parts list	152
Numerical parts list	155
Service and support	159
Hewlett-Packard limited warranty statement	160
HP's Premium Protection Warranty: LaserJet print cartridge limited warranty statement	161
Data stored on the print cartridge	162
End User License Agreement	163
OpenSSL	165
Customer support	166
Repack the product	167
Product specifications	169
Physical specifications	170
Power consumption, electrical specifications, and acoustic emissions	170
Environmental specifications	170
Regulatory information	171
FCC regulations	172
Environmental product stewardship program	173
Protecting the environment	173
Ozone production	173
Power consumption	173
Paper use	173
Plastics	173
HP LaserJet print supplies	173
Return and recycling instructions	174
United States and Puerto Rico	174
Multiple returns (more than one cartridge)	174
Single returns	174
Shipping	174
Residents of Alaska and Hawaii	174
Non-U.S. returns	174
Paper	175
Material restrictions	175
Disposal of waste equipment by users in private households in the European Union	175
Chemical substances	175
Material Safety Data Sheet (MSDS)	175
For more information	176
Declaration of conformity	177
Declaration of Conformity (wireless models)	179
Safety statements	181
Laser safety	181
Canadian DOC regulations	181
VCCI statement (Japan)	181
Power cord instructions	181
Power cord statement (Japan)	181
EMC statement (Korea)	181
Laser statement for Finland	182
GS statement (Germany)	182
Substances Table (China)	183
Restriction on Hazardous Substances statement (Turkey)	183
Additional statements for wireless products	184
FCC compliance statement—United States	184
Australia statement	184
Brazil ANATEL statement	184
Canadian statements	184
European Union regulatory notice	184
Notice for use in France	185
Notice for use in Russia	185
Korean statement	185
Taiwan statement	185

Match case Limit results 1 per page

Cold reset

The traditional cold reset function found in other HP LaserJet products is not supported for this

product. The equivalent function is the

Restore defaults

option in the

Service

menu.

Restoring the default settings unlocks menus that have been previously locked and resets all control-

panel menu items to the factory defaults. It does

not

reset the serial number and the page counts.

NOTE:

Before restoring defaults, print a menu structure report and a configuration page. Use the

information on these pages to reset customer-specific settings.

CAUTION:

All HP Jetdirect settings are also reset. Be sure to print a configuration page before

restoring defaults. Make note of the IP address that is listed on the Jetdirect configuration page. You

might need to restore the IP address after restoring defaults.

NVRAM initialization

CAUTION:

All HP Jetdirect settings are also reset. Be sure to print a configuration page before

performing an NVRAM initialization. Make note of the IP address that is listed on the Jetdirect

configuration page. You need to restore the IP address after performing an NVRAM initialization.

Performing an NVRAM initialization resets the following settings and information:

●

All menu settings are reset to factory default values.

●

All localization settings, including language and country/region, are reset.

After performing an NVRAM initialization, reconfigure any computers that print to this product so that

the computers can recognize the product.

Perform an NVRAM initialization

Turn the product off.

Simultaneously press the right arrow

button and the Cancel

button. Keep these buttons

depressed as you turn the product on.

When the

Permanent storage init.

message appears on the display, release both buttons.

When the product has finished the NVRAM initialization, it returns to the

Ready

state.

Product updates

Software and firmware updates and installation instructions for this product are available at

www.hp.com/

support/ljcp1520series

. Click

Downloads and drivers

, click the operating system, and

then select the download for the product.

ENWW

Product updates

115