HP Laserjet 5 Service Manual

Connector Signal Name Remarks
J401 pin 1 MA Motor Drive Signal
J401 pin 2 /MA Motor Drive Signal
J401 pin 3 MB Motor Drive Signal
J401 pin 4 /MB Motor Drive Signal
J204 pin 1 +12 V 5L only
J204 pin 2 CPUD Solenoid SL1 Pickup Drive (5L
only)
J202 pin 1 +5V
J202 pin 2 GND
J202 pin 3 PAPSENS “L” when PS202 detects paper
J202 pin 4 +5V
J202 pin 5 GND
J202 pin 6 PISNS “L” when PS203 detects paper
J207 pin 1 +12 V
J207 pin 2 SCNTAC Scanner tachometer pulses
J207 pin 3 FG
J207 pin 4 /SCNON “L” to rotate scanner...

Connector Signal Name Remarks
J209 pin 3 DOSNS “H” when cartridge is not
installed or the front door is
open at PS204.
J305 pin 1 +12A V
J305 pin 2 N/U
J305 pin 3 +12 V
J206 pin 1 FRSTH Fusing temperature feedback
J206 pin 2 FG
J102 pin 1 Fusing assembly drive voltage
J102 pin 2 Fusing assembly drive voltage
Table 7-8Cable Pinouts
7
Troubleshooting
Troubleshooting 7-31 

7-32 Troubleshooting 

8
Parts and Diagrams
Contents
How to Use the Part Lists and Diagrams . .  . .  . .  . .  . .  . .  . .  . .  . .  . . 8-3
Ordering Parts . .  . .  . .  . .  . .  . .  . .  . .  . .  . .  . .  . .  . .  . .  . .  . . 8-3
Ordering Consumables . .  . .  . .  . .  . .  . .  . .  . .  . .  . .  . .  . .  . .  . . 8-4
Accessories and Supplies . .  . .  . .  . .  . .  . .  . .  . .  . .  . .  . .  . .  . .  . . 8-5
Common Hardware .  . .  . .  . .  . .  . .  . .  . .  . .  . .  . .  . .  . .  . .  . .  . . 8-6...

8-2 Parts and Diagrams 

How to Use the Part Lists and Diagrams
The Figures in this chapter illustrate the major subassemblies in the printer and their
component parts. A table (material list) follows each exploded assembly diagram.
Each table lists the reference designator (item number) for each part, the associated
part number for the item, the quantity, and a description of the part.
While looking for a part number, pay careful attention to the voltage listed in the
description column to ensure that the part number selected...

Ordering Consumables
Consumables and accessories such as those listed on Table 8-1 may be ordered from
Hewlett-Packard.
The phone numbers are:
U.S.: 1-800-538-8787
Canada: 1-800-387-3154
(Toronto) 516-671-8383
United Kingdom: 0734-441212
Germany: 0130-3322
Contact your local HP Parts Coordinator for other local phone numbers.
NoteParts that have no reference designator or part number are not field replacement
parts and cannot be ordered through SMO.
8-4 Parts and Diagrams 

Accessories and Supplies
The following items are available through your local authorized HP dealer. To find a
dealer near you (or if your dealer is temporarily out of stock), call the HP Customer
Information Center (800) 752-0900.
NoteRefer to “Related Documentation” in Chapter 1 for documentation and training
media product numbers.
NoteYou can upgrade to a total of 9 Mbytes of memory with an 8 Mbyte JEDIA memory
module (not currently available from HP).
Item Product Number Description
Toner Cartridge...

Common Hardware
Example Description
Screw, Machine, Trus Head M3x4, M3x6, M3x8
Screw, Star, 3x6
Screw, Self-tap, 4x10
Screw, Hex-head, 3x8
Screw, Hexhead, 3x6,m 3x8, 3x10
Table 8-2Common Fasteners Used in the Printer
8-6 Parts and Diagrams 

Major Assembly Locations
Figure 8-1
8
Parts and
Diagrams
Parts and Diagrams 8-7