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HVT/Toner EMP diagram,

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HVT/Toner EMP diagram Figure 2-12 HVT/Toner EMP diagram 7 6 +3.3VB J130 1 J23P J130 2 J23P J130 3 J23P VDOEN Q7 3 2 1 R241 330,0.063W D1 2 1 RT1N436M-@111 CCRT (CPU-73p) +3.3VB 1SS388(F)/NOTMNT +3.3VB R44 R43 100,0.063W 2.2K,0.063W SCO (ASIC-70p) R114 1K,0.063W 12 SCI C16 (ASIC-71p) 100P,50V J130 4 J23P J130 5 J23P J130 6 J23P R42 D3 1SS388(F)/NOTMNT 2 1 +3.3VB +3.3VB R41 100,0.1W 33K,0.063W D2 2 1 1SS388(F)/NOTMNT TOP C17 12 (ASIC-74p) 68P,50V/NOTMNT 12 SCLK (ASIC-72p) C15 100P,50V J130 7 J23P J130 8 J23P J130 9 J23P J130 10 J23P J130 11 J23P J130 12 J23P J130 J130 13 J23P 14 J23P J130 15 J23P J130 16 J23P J130 17 J23P J130 18 J23P J130 19 J23P J130 20 J23P J130 21 J23P J130 22 J23P J130 23 J23P C21 12 BDO +3.3VRTC (ASIC-73p) +3.3VA 68P,50V/NOTMNT JP1 12 C120 2 1 0.1U,25V/NOTMNT R80 100,0.063W C78 100P,50V/NOTMNT RK73Z1JT/NOTMNT R136 1K,0.063W R24 33K,0.063W 12 WAKEENG C14 0.01U,50V WAKEVC VDO4 12 (ASIC-83p) VDO4 (ASIC-84p) (ASIC-85p) (ASIC-86p) VDO3 VDO3 (CPU-74p) (CPU-76p) (ASIC-87p) (ASIC-88p) VDO2 VDO2 VDO1 VDO1 (ASIC-89p) (ASIC-90p) J131 1 J25P J131 2 J25P J131 3 J25P J131 4 J25P J131 5 J25P J131 6 J25P J131 7 J25P J131 8 J25P J131 9 J25P J131 10 J25P J131 11 J25P J131 12 J25P J131 13 J25P J131 14 J25P J131 15 J25P J131 16 J25P J131 17 J25P J131 18 J25P VS1-6849023 9615S-23A-PP-A > +24VA J132 1 J4P 12 J132 2 J4P J132 3 J4P C28 2200P,50V/NOTMNT SCNACC SCNDEC (ASIC-124p) (ASIC-123p) 12 12 J132 4 J4P VS1-7145004 2-292207-4 C27 C26 47P,50V/NOTMNT 47P,50V/NOTMNT > J131 19 J25P J131 20 J25P J131 21 J25P J131 22 J25P J131 23 J25P J131 24 J25P J131 25 J25P VS1-6849025 9615S-25A-PP-A R15 12 1 2 12 12 12 12 12 10K,0.063W 5 +3.3VB 2 1 R58 10K,0.063W/NOTMNT R57 1 2 100,0.063W BDI (ASIC-99p) 100P,50V/NOTMNT 12 C2 LDCTRL10 C65 100P,50V LDCTRL11 C84 100P,50V VDO1O VDO1O (ASIC-100p) (ASIC-101p) (ASIC-92p) (ASIC-93p) +3.3VB VDO2 VDO2 LDCTRL21 C105 100P,50V (ASIC-102p) LDCTRL20 C108 (ASIC-103p) 100P,50V +3.3VB 12 12 VDO3 VDO3 LDCTRL31 C112 100P,50V LDCTRL30 C113 100P,50V (ASIC-104p) (ASIC-105p) +3.3VB LDCTRL40 C114 100P,50V LDCTRL41 C122 100P,50V VDO4 (ASIC-106p) (ASIC-107p) 4 3 2 1 J133 J133 J133 J133 J133 J133 29 J29P 28 J29P 27 J29P 26 J29P 25 J29P 24 J29P J133 23 J29P J133 22 J29P J133 21 J29P J133 20 J29P J133 19 J29P J133 18 J29P J133 17 J29P J133 16 J29P J133 15 J29P J133 14 J29P J133 13 J29P J133 12 J29P +24VS J133 9 J29P C53 R53 TNRRSPWM 2 1 100,0.063W/NOTMNT (CPU-4p) HVDATA1 (ASIC-117p) 21 100P,50V/NOTMNT C54 HVDALD (ASIC-118p) 21 100P,50V/NOTMNT HVDACLK C59 (ASIC-116p) 21 100P,50V C55 HVOUTEN (ASIC-119p) 21 100P,50V/NOTMNT C29 TR2CLK (ASIC-122p) 21 100P,50V/NOTMNT TR2PWM C25 (ASIC-121p) 21 100P,50V/NOTMNT TNRRSCLK C24 (ASIC-120p) 21 100P,50V/NOTMNT DA5 1 3 2 +3.3VB J133 8 J29P J133 7 J29P J133 6 J29P J133 5 J29P J133 4 J29P J133 J133 3 J29P 2 J29P RB715F/NOTMNT R122 1 2 3.3K,0.063W R124 1 2 3.3K,0.063W DA4 +3.3VB 1 3 2 RB715F/NOTMNT R126 1 2 3.3K,0.063W R118 1 2 3.3K,0.063W R119 1 2 3.3K,0.063W DA6 1 3 2 +3.3VB RB715F R107 1 2 3.3K,0.063W 12 12 12 12 12 TNR1 (CPU-43p) C62 0.01U,50V TNR2 C1 (CPU-42p) 0.01U,50V J133 1 J29P TNR3 C64 (CPU-41p) 0.01U,50V TNR4 (CPU-39p) C61 0.01U,50V TR1S C60 0.01U,50V TR2S (ASIC-41p) (ASIC-40p) C22 21 100P,50V/NOTMNT TGSD (ASIC-110p) +3.3VB R216 1 2 1K,0.1W F R135 2 1 (ASIC-111p) TGRD C20 100,0.063W 21 100P,50V/NOTMNT 12 C91 220P,50V C19 TGEN1 21 100P,50V/NOTMNT (ASIC-112p) TGEN2 C18 21 100P,50V/NOTMNT (ASIC-113p) TGEN3 (ASIC-114p) C6 E 21 100P,50V/NOTMNT TGEN4 C5 21 100P,50V/NOTMNT (ASIC-115p) +24VB R23 24K,0.1W 1 2 R217 1 2 3.3K,0.1W 12 D RDOORS (CPU-12p) C30 0.01U,50V C 12 DA3 1 +3.3VB C52 > R130 B J133 11 J29P 1 2 ICLRSNS (ASIC-39p) 3.3K,0.063W C23 12 0.01U,50V J133 10 J29P R238 1 2 3.3K,0.063W ICLBSNS (ASIC-38p) 12 VS1-6849029 9615S-29A-PP-A C115 0.01U,50V 3: VIF, LSR, SCN, HVT,TG VDO4 A +3.3VB > CD1-5 118 Chapter 2 Solve problems ENWW

Section	Page
Removal and replacement	25
Removal and replacement strategy	26
Introduction	26
Removal and replacement strategy	26
Electrostatic discharge	27
Required tools	28
Types of screws	29
Service approach	30
Before performing service	30
After performing service	30
Post-service test	30
Print-quality test	30
Parts removal order	31
Removal and replacement procedures	32
Tray 2 cassette	32
Rollers and pads	33
Replace the transfer roller	33
Replace the pickup roller	34
Repalce the separation roller	36
Reinstall the separation roller	38
Replace the pickup roller and separation pad (Tray 1)	39
Main assemblies	42
Print-cartridge drawer	42
DIMM cover	44
Right cover	45
Reinstall the right cover	47
Rear-upper cover (duplex product)	48
Rear-door stopper and link caps (simplex product)	49
Rear door (simplex product)	50
Rear door (duplex product)	52
Rear cover and feed guide (simplex product)	54
Remove the rear cover and feed guide (simplex product)	54
Rear-lower cover and rear-door links (duplex product)	58
Remove the rear-lower cover and rear-door links (duplex product)	58
Rear-door rib assembly (duplex product)	62
Remove the rear-door rib assembly (duplex product)	62
Link guide	64
Upper-cover assembly	65
Reinstall the upper cover	67
Left cover	68
Remove the left cover	68
Reinstall the left cover	70
Right-front cover and power button	71
Remove the right-front cover and power button	71
Paper-feed guide assembly	72
Control-panel assembly	74
Remove the control-panel assembly	74
Right panel	76
Remove the right panel	76
Front-door assembly	81
Remove the front-door assembly	81
Reinstall the front-door assembly	86
Intermediate transfer belt (ITB)	88
Reinstall the ITB	91
Drum motor (M1) and developer motor (M2)	92
Reinstall the drum motor (M1) and developer motor (M2)	95
Intermediate PCA	96
Remove the intermediate PCA	96
Formatter PCA	98
Special considerations	98
Remove the formatter PCA	98
DC controller PCA	100
Special considerations	100
Remove the DC controller PCA	100
Fuser motor assembly	102
Remove the fuser motor assembly	102
Reinstall the fuser motor assembly	104
High-voltage power-supply PCA	105
Remove the high-voltage power-supply PCA	105
Color-misregistration sensor assembly PCA	108
Remove the color-misregistration sensor assembly PCA	108
Reinstall the color-misregistration sensor assembly	110
Fan	112
Duplex reverse-drive assembly	113
Remove the duplex reverse-drive assembly	113
Fuser	116
Remove the fuser	116
Reinstall the fuser	121
Paper-delivery assembly	122
Remove the paper-delivery assembly	122
Solve problems	125
Solve problems checklist	126
Menu map	126
Troubleshooting process	127
Pretroubleshooting checklist	127
Power-on checks	129
Tools for troubleshooting	130
Engine diagnostics	130
Diagrams	130
Plug/jack locations	130
Location of connectors	131
DC controller PCA	131
Location of major components	132
Major components	132
Solenoids, clutches, and sensors	133
Rollers	135
Motors and fans	136
PCAs	137
General timing charts	138
General circuit diagram	139
CPU/ASIC diagrams	140
HVT/Toner EMP diagram	142
Driver PCA diagram	143
Duplexer PCA diagram	144
FSR diagram	145
Internal print quality test pages	146
Print quality troubleshooting page	146
Print quality assessment page	146
Print the configuration page	146
Print-quality troubleshooting tools	147
Repetitive image defects	147
Calibrate the product	147
Control panel menus	148
Reports menu	148
Quick Forms menu	148
System Setup menu	149
Service menu	153
Network Setup menu	154
Interpret control panel messages	156
Control panel message types	156
Control panel messages	156
10.XXXX Supply error	156
49 Error Turn off then on	156
50.X Fuser error Turn off then on	157
51.XX Error Turn off then on	157
54.XX Error Turn off then on	157
55.X Error Turn off then on	158
57 Fan error Turn off then on	158
59.X Error Turn off then on	158
79 Error Turn off then on	158
79 Service error Turn off then on	159
Black cartridge low	159
Black in wrong position	159
Black very low	159
Cleaning . . .	160
Cyan cartridge low	160
Cyan in wrong position	160
Cyan very low	160
Device error Press [OK]	161
Front door open	161
Genuine HP supply installed	161
Incompatible <color>	161
Incorrect supplies	161
Install <color> cartridge	162
Invalid driver Press [OK]	162
Jam in <location>	162
Jam in tray # Clear jam and then Press [OK]	162
Load tray # <TYPE> <SIZE>	162
Load tray 1 plain <SIZE> Cleaning Mode [OK] to start	163
Load tray <X> Press [OK] for available media	163
Load tray 1 <TYPE> <SIZE>	163
Magenta cartridge low	163
Magenta in wrong position	163
Magenta very low	164
Manual duplex Load tray <X> Press [OK]	164
Manual feed <TYPE> <SIZE> Press [OK] for available media	164
Memory is low Press [OK]	164
Misprint Press [OK]	165
Print failure, press OK. If error repeats, turn off then on.	165
Rear door open	165
Remove shipping lock from <color> cartridge	165
Remove shipping locks from cartridges	165
Replace <color>	166
Supplies low	166
Unexpected size in tray # Load <size> Press [OK]	166
Unsupported <color> Press [OK] to continue	166
Used <color> in use	167
Used <color> installed Press [OK] to continue	167
Used supplies in use	167
Yellow cartridge low	167
Yellow in wrong position	167
Yellow very low	168
Event log messages	169
Clear jams	171
Common causes of jams	171
Jam locations	171
Clear jams in Tray 1	172
Clear jams in Tray 2	173
Clear jams in the fuser area	174
Clear jams in the output bin	176
Clear jams in the duplexer (duplexing models only)	176
Solve paper-handling problems	179
The product picks up multiple sheets of paper	179
The product does not pick up paper	179
Solve image-quality problems	180
Print quality examples	180
Color image defects	184
Clean the product	186
Clean the pickup and separation rollers	186
Clean the paper path	186
Solve performance problems	187
Factors affecting print performance	187
Print speeds	188
The product does not print or it prints slowly	189
The product does not print	189
The product prints slowly	190
Solve product connectivity problems	191
Solve direct-connect problems	191
Solve network problems	191
Poor physical connection	191
The computer is using the incorrect IP address for the product	191
The computer is unable to communicate with the product	192
The product is using incorrect link and duplex settings for the network	192
New software programs might be causing compatibility problems	192
The computer or workstation might be set up incorrectly	192
The product is disabled, or other network settings are incorrect	192
Solve wireless network problems	193
Wireless connectivity checklist	193
The control panel displays the message: The wireless feature on this product has been turned off	194
The product does not print after the wireless configuration completes	194
The product does not print, and the computer has a third-party firewall installed	194
The wireless connection does not work after moving the wireless router or product	194
Cannot connect more computers to the wireless product	195
The wireless product loses communication when connected to a VPN	195
The network does not appear in the wireless networks list	195
The wireless network is not functioning	196
Service mode functions	197
Service menu	197
Secondary service menu	198
Open the secondary service menu	198
Secondary service menu structure	198
Product resets	199
Restore factory-set defaults	199
NVRAM initialization	199
Cold reset	200
Product updates	200
Parts and diagrams	201
Order parts by authorized service providers	202
Orderable parts	202
Whole unit replacement	202
Related documentation and software	203
Supplies and accessories	203
Service parts	204
How to use the parts lists and diagrams	205
Covers	206
Internal assemblies	208
Internal assemblies (1 of 5)	208
Internal assemblies (2 of 5)	210
Internal components (3 of 5)	212
Internal assemblies (4 of 5)	214
Internal assemblies (5 of 5)	216
Internal assemblies (simplex models)	218
Internal assemblies (duplex models)	220
PCAs	222
Input device(s)	224
250-sheet paper feeder (optional Tray 3)	224
Alphabetical parts list	226
Numerical parts list	229
Service and support	233
Hewlett-Packard limited warranty statement	234
HP's Premium Protection Warranty: LaserJet print cartridge limited warranty statement	236
Data stored on the print cartridge	237
End User License Agreement	238
OpenSSL	241
Customer support	242
Repack the product	243
Product specifications	245
Physical specifications	246
Power consumption, electrical specifications, and acoustic emissions	246
Environmental specifications	246
Regulatory information	247
FCC regulations	248
Environmental product stewardship program	249
Protecting the environment	249
Ozone production	249
Power consumption	249
Toner consumption	249
Paper use	249
Plastics	249
HP LaserJet print supplies	250
Return and recycling instructions	250
United States and Puerto Rico	250
Multiple returns (more than one cartridge)	250
Single returns	250
Shipping	250
Residents of Alaska and Hawaii	251
Non-U.S. returns	251
Paper	251
Material restrictions	251
Disposal of waste equipment by users in private households in the European Union	252
Chemical substances	252
Material Safety Data Sheet (MSDS)	252
For more information	253
Declaration of conformity	254
Declaration of conformity (wireless models)	256
Certificate of volatility	258
Types of memory	258
Volatile memory	258
Non-volatile memory	258
Safety statements	259
Laser safety	259
Canadian DOC regulations	259
VCCI statement (Japan)	259
Power cord instructions	259
Power cord statement (Japan)	259
EMC statement (Korea)	260
Laser statement for Finland	260
GS statement (Germany)	261
Substances Table (China)	261
Restriction on Hazardous Substances statement (Turkey)	261
Restriction on Hazardous Substances statement (Ukraine)	261
Additional statements for wireless products	262
FCC compliance statement—United States	262
Australia statement	262
Brazil ANATEL statement	262
Canadian statements	262
European Union regulatory notice	262
Notice for use in France	263
Notice for use in Russia	263
Korean statement	263
Taiwan statement	264
Vietnam Telecom wired/wireless marking for ICTQC Type approved products	264

Match case Limit results 1 per page

HVT/Toner EMP diagram

Figure 2-12

HVT/Toner EMP diagram

CD1-5

<< LASER(1-N) >>

<< SCANNER MOTOR >>

(CPU-73p)

(ASIC-70p)

(ASIC-71p)

(ASIC-72p)

(ASIC-74p)

(CPU-74p)

(CPU-76p)

(ASIC-73p)

(ASIC-83p)

(ASIC-84p)

(ASIC-85p)

(ASIC-86p)

(ASIC-87p)

(ASIC-88p)

(ASIC-90p)

(ASIC-89p)

(ASIC-124p)

(ASIC-123p)

(ASIC-99p)

(ASIC-100p)

(ASIC-101p)

(ASIC-92p)

(ASIC-93p)

(ASIC-103p)

(ASIC-102p)

(ASIC-105p)

(ASIC-106p)

(ASIC-107p)

(CPU-4p)

(ASIC-117p)

(ASIC-118p)

(ASIC-116p)

(ASIC-119p)

(ASIC-122p)

(ASIC-121p)

(ASIC-120p)

(CPU-41p)

(CPU-39p)

(ASIC-104p)

(ASIC-41p)

(ASIC-40p)

(ASIC-39p)

(ASIC-38p)

(ASIC-110p)

(ASIC-112p)

(ASIC-113p)

(ASIC-114p)

(ASIC-115p)

(CPU-12p)

<< HVT / TONER_EMP

<< VIDEO I/F (1-N)>>

(CPU-43p)

(CPU-42p)

(ASIC-111p)

3: VIF, LSR, SCN, HVT,TG

/TG (1-1)>>

JP1

RK73Z1JT/NOTMNT

LDCTRL41

LDCTRL40

LDCTRL20

LDCTRL21

C65

100P,50V

C16

100P,50V

RDOORS

ICLRSNS

TNRRSCLK

+3.3VB +3.3VB

100,0.063W/NOTMNT

R53

J133

9615S-29A-PP-A

VS1-6849029

9615S-25A-PP-A

VS1-6849025

J131

VS1-6849023

9615S-23A-PP-A

J130

J132

VS1-7145004

2-292207-4

C120

0.1U,25V/NOTMNT

C78

100P,50V/NOTMNT

+3.3VA

+24VB

+24VA

+24VS

WAKEVC

BDO

CCRT

R241

330,0.063W

R114

1K,0.063W

100,0.1W

R42

+3.3VB

RB715F

DA6

+3.3VB

TR2S

TR1S

3.3K,0.063W

R107

3.3K,0.063W

R118

RB715F/NOTMNT

DA4

RB715F/NOTMNT

DA5

RB715F

DA3

SCO

SCI

R43

100,0.063W

2.2K,0.063W

R44

J130

VDO4

C14

0.01U,50V

J130

100,0.063W

R80

J130

WAKEENG

33K,0.063W

R41

TNRRSPWM

1SS388(F)/NOTMNT

TOP

100,0.063W

R135

C53

100P,50V/NOTMNT

J133

C17

68P,50V/NOTMNT

R130

3.3K,0.063W

ICLBSNS

3.3K,0.063W

R238

VDOEN

J130

10K,0.063W

R15

10K,0.063W/NOTMNT

R58

1K,0.063W

R136

+3.3VB

33K,0.063W

R24

+3.3VB

24K,0.1W

R23

3.3K,0.1W

R217

VDO1

J130

3.3K,0.063W

R124

3.3K,0.063W

R122

J131

SCNACC

TR2PWM

HVDATA1

HVOUTEN

TNR1

TNR4

TNR3

RT1N436M-@111

C27

47P,50V/NOTMNT

C21

68P,50V/NOTMNT

C15

100P,50V

J132

C28

2200P,50V/NOTMNT

C26

47P,50V/NOTMNT

VDO1

VDO2

VDO3

VDO4

SCLK

SCNDEC

J131

100P,50V/NOTMNT

100,0.063W

R57

VDO3

VDO2

VDO1O

BDI

VDO4

220P,50V

C91

C20

100P,50V/NOTMNT

0.01U,50V

C62

0.01U,50V

C64

0.01U,50V

C61

0.01U,50V

C60

0.01U,50V

C52

C23

0.01U,50V

C115

C30

0.01U,50V

100P,50V/NOTMNT

C22

100P,50V/NOTMNT

C19

C18

100P,50V/NOTMNT

3.3K,0.063W

R126

1K,0.1W

R216

C55

100P,50V/NOTMNT

C54

100P,50V/NOTMNT

3.3K,0.063W

R119

100P,50V/NOTMNT

C24

C25

100P,50V/NOTMNT

C29

TGEN1

TNR2

HVDALD

TGEN4

TGEN3

TGEN2

TGSD

TR2CLK

TGRD

+3.3VB

J133

C59

100P,50V

HVDACLK

J133

+3.3VB

+3.3VRTC

LDCTRL10

C84

100P,50V

LDCTRL11

C105

100P,50V

C108

100P,50V

C112

100P,50V

LDCTRL31

C113

100P,50V

LDCTRL30

C114

100P,50V

C122

100P,50V

118

Chapter 2

Solve problems

ENWW