About once every 4 months. Or more often if sound becomes weak or distorted. Disconnect the power outlet and remove the cassette tapes. Clean the heads and capstans with a cotton swab dipped in isopropyl alcohol.

About every 8 to 10 months. Replace more often if the messages sound like they are playing slowly or unevenly and if cleaning the recording heads does not eliminate weak or distorted message playback.

Note: CASIO PHONEMATE tapes are specifically made for answering machine use. To insure optimum answering machine function, we recommend using only CASIO PHONEMATE cassettes .

Answering machine tapes, AC adapters, touchtone dialers, cordless battery packs, cordless helical antenna (rubber), lightning arrestors, and modular T-adapters can be purchased in many retail stores. Or they can be ordered by submitting the form in each owner's manual, or by phone: CASIO PHONEMATE INC.'s Parts Dept. at 1-800-322-9995.

Many operational difficulties can be solved by following the owner's guide provided with each product, in particular the "Trouble Shooting" section.

If a problem persists, reset the unit by unplugging the AC adapter cord from the back of the machine (not from the wall). Wait 30 seconds before re-connecting the AC adapter cord to the back of the machine. If the unit uses a battery for, power failure protection, remove the battery before unplugging the machine. (All programmed information will be lost .. a unit is reset. The time/day stamp, security code, autodial numbers, and remote codes will need to be reset.)

Unless the customer lives close to a CASIO PHONEMATE INC. Service Center, he/she may be required to mail a malfunctioning product to CASIO PHONEMATE INC. for repair. To mail the product to the service center the customer should:

• package the unit in its original box or a comparable package
• include a clear and specific explanation of the problem
• include his/her name, address, and phone number
• provide a legible photocopy of the dated store receipt for warranty purposes The customer will be billed for service not covered under the warranty.