When set to the password value, other service related objects become 'visible' (i.e readable) and/or become writable. When written with any other value, the service related objects become 'hidden' (i.e. are no longer readable) and/or are not longer writable. The objects that can be effected by the SERVICE-PASSWORD object include: SERIAL-NUMBER and TOTAL-ENGINE-PAGE- COUNT. The password value, and the list of objects effected by the SERVICE-PASSWORD being set to the correct value, should be documented in the device POS. Additional information: The objects that can be effected by the SERVICE- PASSWORD are: SCANNER-JAM-PAGE-COUNT, SCANNER-ADF-PAGE -COUNT, SCAN-ADF-PAGE-COUNT, SCANNER-RETRIEVE-SCANLINE, SCANNER-MOTOR-CONTROL, COPIER-ADF-PAGE-COUNT, COPIER- PRINT-PAGE-COUNT, TOTAL-ENGINE-PAGE-COUNT, PRINT-ENGINE- JAM-COUNT, PRINT-ENGINE-MISPICK-COUNT