lamp (bulb) life depends on many factors including number of starts,
thermal operating conditions, power rating, additives and proper
handling. Simply defined, it is the hours the lamp produces enough UV
energy to properly cure the ink within the available exposure time.
The initial 200 to 250 hours of
operation (idol time plus active print time), the UV output is stable.
Between 250 and 450 operation hours, output decreases, eventually
resulting in insufficient UV curing energy. Some inkjet printers have
the ability to change lamp power settings. Switching to medium or high
power increases UV output, however heat is also increased. There may be
a fine balance between acceptable UV output and heat generation.
Another option is to maintain heat loading by slowing print speed while
the UV lamp is at low power. This option is mostly available with
standard mercury filled lamps. Some lamps are additive filled. They
produce higher levels of UV; however, they do not last as long and
normally cannot be run at low power.
Each lamp startup reduces UV lamp life.
Adjust printing schedule to keep lamp starts to a minimum. The fact
that the lamp lights is not an indication of proper UV output. Most UV
lamps will continue to operate long after their useful life has expired.
period is for 1 year after date of invoice or hourly guidelines
whichever comes first.
(HP ColorSpan CH231-A) 400 hours
normal conditions, the vast majority of TCS Technologies lamps will
provide at least 500 hours of useful life. In the unlikely event of
failure, pro-rata credit will be given based on the number of lamp
hours. For example a TCS-109052, which fails after 200 hours, would
result in 50% credit.
This warranty applies to lamp only and
cannot be expanded or modified. This warranty is in lieu of all other
warranties expressed or implied and of all other obligations or
liabilities on its part. All shipping costs for replacement
consideration are the responsibility of the customer
not cover the following customer related responsibilities:
contamination; this is the major source of any lamp failure, including
lamp connection as indicated by discolored end fittings.
and overheated tubing and overheated foil seals.
lamp ultraviolet drop off does not indicate lamp failure
shipping costs for replacement lamps are the responsibility of the
This warranty is restricted to
replacement of the lamp only and TCS Technologies shall not be
responsible for any other damages, consequential or otherwise.