EN
Regulatory information 
25
 
FCC regulations
This equipment has been tested and found to comply with the limits 
for a Class B digital device, pursuant to Part 15 of the FCC rules. 
These limits are designed to provide reasonable protection against 
harmful interference in a residential installation. This equipment 
generates, uses, and can radiate radio frequency energy. If is not 
installed and used in accordance with the instructions, it may cause 
harmful interference to radio communications. However, there is no 
guarantee that interference will not occur in a particular installation. 
If this equipment does cause harmful interference to radio or 
television reception, which can be determined by turning the 
equipment off and on, the user is encouraged to try to correct the 
interference by one or more of the following measures:
● Reorient or relocate the receiving antenna.
● Increase separation between equipment and receiver.
● Connect equipment to an outlet on a circuit different from that to 
which the receiver is located.
● Consult your dealer or an experienced radio/TV technician.
Note
Any changes or modifications to the printer that are not expressly 
approved by HP could void the user’s authority to operate this 
equipment.
Note
Use of a shielded interface cable is required to comply with the Class 
B limits of Part 15 of FCC rules.
FCC part 68 requirements
This equipment complies with FCC rules, Part 68. On the back of this 
equipment is a label that contains, among other information, the FCC 
registration number and ringer equivalence number (REN) for this 
equipment. If requested, this information must be provided to the 
telephone company.
The REN is used to determine the quantity of devices which may be 
connected to the telephone line. Excessive RENs on the telephone 
line may result in the devices not ringing in response to an incoming 
call. In most, but not all, areas, the sum of the RENs should not 
exceed five (5.0). To be certain of the number of devices that may be 
connected to the line, as determined by the total RENs, contact the 
telephone company to determine the maximum REN for the calling 
area.