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Worldwide Support - repair

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Product 1 Information Worldwide Support U.S. and Canada: Call (208) 323-2551 Mon-Fri 6 am to 10 pm and Saturday 9 am to 4 pm (Mountain Time) free of charge during the Warranty Period; however, your standard long-distance phone charges still apply. Customer Support & Please have your serial number ready when calling. Product Repair Assistance (Please refer to the warranty chapter of this manual for additional product repair information.) Post-warranty telephone assistance is available to answer your product questions. Call (900) 555-1500 ($2.50* per minute, U.S. only), or call (800) 999-1148 ($25* per call, Visa or MasterCard, U.S. and Canada) Mon-Fri 7 am to 6 pm and Saturday from 9 am to 3 pm (Mountain Time). Charges begin only when you connect with a support technician. *Prices subject to change. European Customer Support Center Language and In-Country Options Available Open Monday-Friday 8:30-18:00 CET HP provides a free telephone support service during the warranty period. By calling a telephone number listed below, you will be connected to a responsive team waiting to help you. If you require support after your warranty has expired, you can receive support for a fee through the same telephone number. The fee is charged on a per-incident basis. When calling HP please have the following information ready: • Product name and serial number Date of purchase Description of the problem Dutch English French German Belgium: Netherlands: Ireland: UK: International: France: Belgium: Switzerland: Germany: Austria: 02 626 8806 020 606 8751 01 662 5525 0171 512 5202 44 171 512 52 02 04 50 43 9853 02 626 8807 084 880 1111 0180 5 25 81 43 0660 6386 Norwegian Danish Finnish Swedish Italian Spanish Portuguese Norway: Denmark: Finland: Sweden: Italy: Spain: Portugal: 22 11 6299 3929 4099 0203 47288 08 619 2170 02 26410350 902 321 123 01 441 7199 Africa/Middle East Argentina Australia Brazil Canada China Czech Republic Greece Hong Kong Hungary India Indonesia Japan Korea In-Country Support Numbers (41 22) 780-7111 (54 1) 781-4059/69 (03) 9272 8000 (55 11) 709-1444 (208) 323-2551 (8610) 6261-4174; 6261-4175; 6261-4176; 6262-5666 (42 2) 471 7321 (30 1) 689 64 11 800-7729 (36 1) 252 4505 (011) 6472366 (21) 350-3408 (31 20) 581-3318 (82 2) 3270-0700; outside Seoul, call 080-999-0700 Malaysia Mexico D.F. Mexico Guadalajara Mexico Monterey New Zealand Philippines Poland Portugal Russia Singapore Switzerla nd Taiwan Thailand Turkey (603) 295-2566 (52 5) 326-4600 (52 3) 669 95 00 (52 83) 378 42 40 (64 9) 356-6640 (63 2) 894-1451 (48 22) 37-5065 (351 1) 301 7330 (7 095) 923-5001 (65) 272-5300 (41 1) 753 7111 (02) 717-9609 (662) 661-4011; 661-4012 (90 1) 224-5925 North American Response Center The North American Response Center (NARC) is available for technical support to assist service technicians. The NARC can be reached at 1-800-544-9976. To access this service, HP resellers must have a valid CZ number. Product Information 1-13

Section	Page
Service Manual for the HP LaserJet 5L and HP LaserJet 6L Printers	2
Conventions	4
Chapter Descriptions	5
List of Figures	6
List of Tables	8
1 Product Information	10
Contents	10
Printer Features 1-3	12
Paper Capacities and Sizes 1-3	12
Identification 1-4	13
Model and Serial 1-4	13
Specifications 1-6	15
Product Overview 1-7	16
Front/Side Views of the Printer 1-7	16
Front Door Assemblies 1-8	17
Back View of the Printer 1-9	18
Service Approach 1-10	19
Parts Exchange Program 1-10	19
Ordering Parts 1-10	19
Ordering Consumables 1-10	19
Ordering Related Documentation 1-10	19
Technical Assistance 1-12	21
Worldwide Support 1-13	22
North American Response Center 1-13	22
Warranty 1-14	23
Warranty Exclusions 1-14	23
Warranty Limitations 1-15	24
Voltage Conversions 1-15	24
2 Site Requirements	26
Contents	26
Site Requirements 2-3	28
Operating Environment 2-3	28
Printer Space Requirements 2-4	29
The HP C3906A/F Toner Cartridge 2-5	30
Storage Conditions 2-5	30
Storing Opened Toner Cartridges 2-5	30
Toner Cartridge Handling Suggestions 2-6	31
3 Operating Overview	32
Contents	32
Using the Control Panel 3-3	34
Control Panel Layout 3-3	34
LED Lights 3-4	35
The Front Panel Button 3-6	37
Printing a Self-Test Page 3-7	38
Continuous Self Test 3-9	40
Printing an Engine Test 3-10	41
Resetting the Printer 3-11	42
To Reset the Printer 3-11	42
4 Printer Maintenance	44
Contents	44
Life Expectancy of Consumables 4-3	46
Toner Cartridge Life 4-4	47
Saving Toner with EconoMode 4-4	47
Refilled Toner Cartridges 4-5	48
Recycling Toner Cartridges 4-5	48
Cleaning the Printer 4-6	49
Cleaning Printer Components 4-7	50
Cleaning Spilled Toner 4-8	51
5 Functional Overview	52
Contents	52
Basic Printer Functions 5-3	54
DC Controller/Power System 5-4	55
Print Engine Control System 5-5	56
Power System (on DC Controller PCA) 5-6	57
Formatter System 5-8	59
CPU 5-8	59
Read Only Memory (ROM) 5-8	59
Random Access Memory (RAM) 5-8	59
Parallel Interface 5-8	59
Control Panel 5-9	60
Resolution Enhancement (REt) 5-9	60
EconoMode 5-10	61
Memory Enhancement technology (MEt) 5-10	61
Enhanced I/O 5-11	62
Page Protect 5-11	62
PJL Overview 5-11	62
Image Formation System 5-12	63
Toner Cartridge 5-13	64
Step 1: Drum Cleaning 5-13	64
Step 2: Drum Conditioning 5-13	64
Step 3: Image Writing 5-13	64
Step 4: Image Developing 5-14	65
Step 5: Image Transferring 5-14	65
Step 6: Image Fusing 5-14	65
Paper Feed System 5-15	66
Paper Jam Detection 5-18	69
Basic Sequence of Operation 5-19	70
6 Removal and Replacement	74
Contents	74
Removal and Replacement Strategy 6-3	76
Required Tools 6-4	77
Installing Memory Cards (DRAM) 6-5	78
Covers and Doors 6-6	79
Back Cover 6-6	79
EP Door Assembly 6-8	81
Memory Door 6-9	82
Main Cover and Paper Input Assembly 6-10	83
Internal Assemblies 6-11	84
Control Panel 6-11	84
Exit Roller Assembly 6-12	85
Delivery Assembly 6-13	86
Fuser Pressure Plate 6-15	88
Heating Element 6-17	90
Pressure Roller 6-20	93
Face-Up/Face-Down Lever 6-21	94
Fuser Exit Roller Assembly 6-22	95
Paper Exit Sensor Flag 6-23	96
Top Assemblies 6-24	97
Laser/Scanner Assembly 6-24	97
Solenoid 6-25	98
Pickup Roller Assembly 6-27	100
Paper Feed Frame 6-30	103
Transfer Roller Guide & Transfer Roller 6-34	107
Kick Plate 6-35	108
Separation Pad 6-37	110
Subpads 6-38	111
Feed Assembly 6-39	112
Bottom Assemblies 6-42	115
Memory Door Guide 6-42	115
Motor 6-43	116
DC Controller 6-44	117
Formatter Board 6-47	120
7 Troubleshooting	122
Contents	122
General Troubleshooting Flowchart 7-3	124
Paper Path and Components 7-5	126
DC Controller Diagram 7-6	127
Printer Error Troubleshooting 7-7	128
Priority of Errors 7-7	128
Printer Status Messages 7-8	129
Service and Error Messages 7-10	131
Image Formation Troubleshooting 7-13	134
Check the Toner Cartridge 7-13	134
Image Defect Examples 7-14	135
Troubleshooting Checks 7-21	142
Engine Test 7-21	142
Half-Self Test Functional Check 7-22	143
Drum Rotation Functional Check 7-23	144
High-Voltage Power Supply Check 7-24	145
Paper Curl 7-26	147
Troubleshooting Tools 7-27	148
Paper Path Check 7-27	148
Repetitive Image Defect Ruler 7-28	149
Main Wiring Diagram 7-29	150
8 Parts and Diagrams	154
Contents	154
How to Use the Part Lists and Diagrams 8-3	156
Ordering Parts 8-3	156
Ordering Consumables 8-4	157
Accessories and Supplies 8-5	158
Common Hardware 8-6	159
A Parts Index	180
Parts Index	181
B Regulatory Information	192
Laser Safety (U.S.A.)	192
Laser Statement (Finland)	193
Toner Safety	194
Ozone Emission	194
FCC Statement (Class B)	195
VCCI Statement (Japan)	195
C Service Notes	196
Fuser Accordian Jams	196
Fuser Jam Clearing Countermeasure	198
Index	200
A	200
B	200
blank page	200
bottom assemblies	200
C	200
cables	200
cleaning	200
consumables	200
D	200
DC power distribution	200
distribution system	200
documentation	200
DRAM	200
drum	200
drum cleaning process	200
drum conditioning	200
E	200
emissions	200
environment	200
F	200
features	200
fonts	200
formatter system	200
H	200
half self test check	200
I	200
image formation system	200
installation	200
installing	200
interfaces	200
J	200
L	200
M	200
memory	200
memory cards (DRAM)	200
microswitch	200
motor	200
N	200
O	200
ordering	200
overcurrent	200
overvoltage	200
P	200
page protect	200
paper feed system	200
paper jam	200
paper jam detection	200
paper path	200
parallel interface	200
parts	200
PJL, Printer Display Language	200
power	200
print quality	200
printer	200
printer comparison	200
printer messages	200
printing	200
R	200
random access memory	200
read only memory	200
removal and replacement	200
requirements	200
S	200
safety	200
self test	200
serial number	200
service or error messages	200
solving	200
specifications	200
status messages	200
See also accessories and supplies	200
T	200
toner cartridge	200
tools	200
top assemblies	200
typefaces	200
V	200
W	200
warranty	200

Match case Limit results 1 per page

Worldwide Support

U.S. and Canada:

Customer Support &

Product Repair Assistance

(Please refer to the

warranty chapter of this

manual for additional

product repair

information.)

Call (208) 323-2551 Mon-Fri 6 am to 10 pm and Saturday 9 am to 4 pm (Mountain Time) free of

charge during the Warranty Period;however, your standard long-distance phone charges still apply.

Please have your serial number ready when calling.

Post-warranty telephone assistance is available to answer your product questions.Call (900)

555-1500 ($2.50* per minute, U.S. only), or call (800) 999-1148 ($25* per call, Visa or MasterCard,

U.S. and Canada) Mon-Fri 7 am to 6 pm and Saturday from 9 am to 3 pm (Mountain Time).Charges

begin only when you connect with a support technician.

*Prices subject to change.

European Customer Support Center Language and In-Country Options Available

Open Monday-Friday 8:30-18:00 CET

HP provides a free telephone support service during the warranty period.By calling a telephone number listed below, you will be

connected to a responsive team waiting to help you.If you require support after your warranty has expired, you can receive support

for a fee through the same telephone number. The fee is charged on a per-incident basis.When calling HP please have the following

information ready:

• Product name and serial number

Date of purchase Description of the problem

Dutch

Belgium:

02 626 8806

Netherlands:

020 606 8751

English

Ireland:

01 662 5525

UK:

0171 512 5202

International:

44 171 512 52 02

French

France:

04 50 43 9853

Belgium:

02 626 8807

Switzerland:

084 880 1111

German

Germany:

0180 5 25 81 43

Austria:

0660 6386

Norwegian

Norway:

22 11 6299

Danish

Denmark:

3929 4099

Finnish

Finland:

0203 47288

Swedish

Sweden:

08 619 2170

Italian

Italy:

02 26410350

Spanish

Spain:

902 321 123

Portuguese

Portugal:

01 441 7199

In-Country Support Numbers

Africa/Middle East

Argentina

Australia

Brazil

Canada

China

Czech Republic

Greece

Hong Kong

Hungary

India

Indonesia

Japan

Korea

(41 22) 780-7111

(54 1) 781-4059/69

(03) 9272 8000

(55 11) 709-1444

(208) 323-2551

(8610) 6261-4174; 6261-4175;

6261-4176; 6262-5666

(42 2) 471 7321

(30 1) 689 64 11

800-7729

(36 1) 252 4505

(011) 6472366

(21) 350-3408

(31 20) 581-3318

(82 2) 3270-0700; outside Seoul, call

080-999-0700

Malaysia

Mexico D.F.

Mexico Guadalajara

Mexico Monterey

New Zealand

Philippines

Poland

Portugal

Russia

Singapore

Switzerla nd

Taiwan

Thailand

Turkey

(603) 295-2566

(52 5) 326-4600

(52 3) 669 95 00

(52 83) 378 42 40

(64 9) 356-6640

(63 2) 894-1451

(48 22) 37-5065

(351 1) 301 7330

(7 095) 923-5001

(65) 272-5300

(41 1) 753 7111

(02) 717-9609

(662) 661-4011; 661-4012

(90 1) 224-5925

North American Response Center

The North American Response Center (NARC) is available for technical support to

assist service technicians. The NARC can be reached at 1-800-544-9976. To access

this service, HP resellers must have a valid CZ number.

Product

Information

Product Information

1-13