HP Laserjet 5 User Manual

							
DB-25 Serial Cable pin outs
NoteThe pin outs for the computer end are typical pin numbers. The actual
pin numbers for you PC may be different. Please check the
documentation for your computer to verify the proper pin outs.
Pins not shown are not used by the printer.
Computer DB-25 Printer DB-9(male cable end)
3- Receive Data 2- Transmit Data
2- Transmit Data 3- Receive Data
20- Data Terminal Ready 4- Data Set Ready
7- Ground 5- Ground
6- Data Set Ready 6- Data Terminal Ready
5- Clear to Send 8- Data Terminal Ready
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Pin Functions
Pin 1-
Protective GroundThis pin is also referred to as chassis ground and should not be confused with pin 7, or common
ground which serves as the circuit common. The purposed of this pin is to provide protection
against electrical shock where two pieces of equipment are connected and one piece does not
include a ground connection, or round prong on its AC plug. In some cases not connecting
chassis ground may disable communication or connecting these pins may create a problem
known as a ground loop. Both of these situations are rare in general and in most cases pin 1 is
not needed to establish communication between two devices. Questions regarding the need for
connecting or not connecting chassis ground should be referred to an electrical expert.
Pin 2-
Transmitted Data
(TxD or TD) This pin transmits data.
Pin 3-
Received Data
(RxD or RD) This pin receives data.
Pin 4-
Request to Send
(RTS) General purpose output. Uses vary widely. In half-duplex modems this is used to signal a desire
to transmit data.
Pin 5-
Clear to Send (CTS) General purpose input. Uses vary widely. In half-duplex modems this is used to grant permission
to transmit.
Pin 6-
Data Set Ready
(DSR) General purpose input to signal that the DTE and the DCE is powered up and ready to go.
Pin 7-
Common Reference point for all interface voltages.
Pin 8-
Data Carrier Detect
(DCD) On modems DCD is asserted when connected to a remote modem. On a DTE it is frequently
used to disable data reception.
Pin 20-
Data Terminal
Ready (DTR) General purpose output. Generally used to signal to the DCE that the DTE has been powered up
and is ready to go.
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Warranty and Software License
Limited Warranty
This warranty gives you specific legal rights. You may also have other
rights which may vary from area to area.
Hewlett-Packard warrants its computer hardware products against
defects in materials and workmanship for a period of one year from
receipt by the end user.
Hewlett-Packard warrants its software for 90 days from the date of
purchase and warrants that the software will execute its programming
instructions when properly installed on the computer for which it is
intended, and that the media upon which the software is recorded will be
free from defects in materials and workmanship under normal use.
During the warranty period, HP will, at its option, either repair or
replace hardware products that prove to be defective. The sole remedy
for software shall be to return the diskettes to HP for replacement.
Should HP be unable to repair or replace the product within a reasonable
amount of time, a refund of the purchase price may be made upon return
of the product.
To have your printer serviced by Hewlett-Packard, you must make
arrangements to have it serviced in the country/region of purchase.
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Exclusions
The warranty on your HP LaserJet printer shall not apply to defects or
damage resulting from:
•Improper or inadequate maintenance by customer.
•Customer-supplied software or interfacing.
•Unauthorized modification or misuse.
•Operation outside of the environmental specifications for the product.
•Printing of non-supported media.
•Duty cycle abuse (see the following explanation).
•Operating the printer from a mechanical switchbox without a
designated surge protector.
•Improper site preparation and maintenance.
•Use of non-HP toner cartridges (see the following explanation),
SIMM memory boards, or interface boards.
The use of non-Hewlett-Packard toner cartridges does not affect either
the warranty or any maintenance contract purchased from HP. However,
if an HP LaserJet printer failure or printer damage is found to be directly
attributable to the use of any non-HP product, the repair will not be
covered under the warranty or HP maintenance contract.
Hewlett-Packard cannot recommend use of non-HP cartridges, either
new or remanufactured, because they are not HP products and HP
cannot influence or control their quality.
Operation of the printer beyond the limit of its duty cycle (printing more
than the equivalent of 35,000 single-sided pages per month) shall be
deemed printer abuse and all repairs thereafter will be billed on a time
and materials basis.
If you are using a mechanical switchbox, ensure that it is equipped with
a surge protector.  Damage to your printer could occur from the use of
unprotected mechanical switchboxes.
The warranty period begins either on the date of delivery or, where the
purchase price includes installation by Hewlett-Packard, on the date of
installation.
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Warranty Limitations
The warranty set forth above is exclusive and no other warranty,
whether written or oral, is expressed or implied.  Hewlett-Packard
specifically disclaims the implied warranties of merchantability and
fitness for a particular purpose.
Some areas do not allow limitations on how long an implied warranty
lasts, so the above limitation or exclusion may not apply to you.
However, any implied warranty of merchantability or fitness is limited
to the one-year duration of this written warranty.
Limit of Liability
In no event will Hewlett-Packard or its suppliers be liable to you for any
consequential or incidental damages, including any lost profits or lost
savings, or for any claim by any party, even if a representative of HP or
its suppliers has been advised of the possibility of such damages.
Some areas, states or provinces do not allow the exclusion or limitation
of incidental or consequential damages, so the above limitation or
exclusion may not apply to you.
Service During the Warranty Period
If your hardware should fail during the warranty period, bring your
printer to an authorized HP dealer, repair center, or HP Customer
Service Center. To locate the nearest authorized Customer Service
Center in your area, see the HP Support pages at the front manual.
When sending equipment to an HP Customer Service Center or
service-authorized HP dealer, follow the repacking guidelines in this
chapter. We recommend insuring the equipment for shipment.
CautionShipping damage as a result of inadequate packaging is the customer’s
responsibility.  Use the original packing materials whenever possible.
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Service After the Warranty Period
For telephone assistance about using your printer past the one-year
warranty, you have two choices:
1You can call (900) 555-1500 (U.S.) at $2.50* per minute.  Charges
begin once a live service operator answers the call.
2You can call (800) 999-1148 (U.S.) at $25.00* per call (VISA or
MasterCard).
Outside the U.S., contact a service-authorized HP dealer or an HP
Customer Service Center to obtain service.
* Prices are subject to change without notice.
Repacking Guidelines
•Remove and retain any SIMMs installed in your printer.
•Remove and retain the toner cartridge.
•Remove and retain the 500-sheet optional Tray 3, if installed.
•Use the original shipping container and packing materials, if possible.
•Include print samples and 50-100 sheets of the paper or forms you
are having trouble printing, if possible.
NoteIf you have already disposed of your printer ’s packaging material.
Contact a local packaging and mailing service for the repackaging of
your printer.
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HP Software Product License
IMPORTANT:Please read this License carefully before using this Software. The right to use this Software is granted only
if the Customer agrees to the terms of this License. If you do not agree to the terms of this License, you may return the
unused software for a refund. HOWEVER, USE OF THIS SOFTWARE INDICATES YOUR ACCEPTANCE OF THESE
TERMS AND CONDITIONS.
In return for the payment of the applicable one time license fee(s), HP grants you a license to use one copy of the
Software subject to the following terms and conditions. No title or ownership of the Software is conferred with this license.
1. The Software may be used on one HP LaserJet printer.
2. The Software may not be copied except for archival purposes or for backup, error identification, or replacement of defective media. All authorized copies must bear the copyright notice on or in the original.
3. The Software may not be disassembled, decompiled, decrypted, or reverse engineered unless HP’s prior written consent is either obtained or not required by law. Upon request, the user will provide HP with reasonably detailed
information regarding any disassembly, decompilation, decryption, or reverse engineering.
4. Any third party supplier of the Software is a third party beneficiary of this License and may protect its rights in the Software against violations of this License.
5. HP reserves the right to terminate this License upon breach. In the event of termination at HP’s election, all copies of the Software must be returned to HP or destroyed.
6. This License and the Software product may be transferred to a third party, provided the third party agrees to all the terms of this License and that no copies of the Software are retained by the transferring party.
7. Use, duplication, or disclosure by the U.S. Government is subject to restrictions as set forth in subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause on DFARS 252.227-7013. Hewlett-Packard
Company 3000 Hanover Street, Palo Alto, CA 94304 U.S. A. Rights for non-DOD U.S. Government Departments
and Agencies are as set forth in FAR 52.227-19 (c) (1,2).
8. No title or ownership of the Software is conferred with this License.
9. The Software may not be exported in violation of U.S. Export Administration regulations.
10. You are expressly notified that Adobe Systems Incorporated, a California corporation located at 1585 Charleston Road, Mountain View, California 94039-7900 (“Adobe”) is a third-party beneficiary to this License.
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Sales and Service Offices
Calling for Help
To locateHP-Authorized Dealers, go to http://www.hp.com/support.
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