HP LaserJet 3052 Service Manual - Page 291
Table 6-9, Sequence, Calling station, Commands, Appropriate responses
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Table 6-8 Fax phase sequence (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only) (continued) Sequence Calling station Called station 17 Receive message (SCAN), check for errors 18 Transmit FSK 19 At end of message, send one of the following: ● EOM ● EOP ● MPS ● PRI-Q ● PPS-NULL ● PPS-MPS ● PPS-EOM ● PPS-EOP ● PPS-PRI-Q Phase D-Post-message transmission (next page/end of transmission) (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only) 20 Detect EOM, EOP, MPS, PRI-Q, PPS- NULL, PPS-MPS, PPS-EOM, PPS- EOP, or PPS-PRI-Q 21 Transmit MCF response to confirmation signals of post-message responses Phase E-Call release (hang up sequence) (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only) 21 Transmit DCN 22 Station hangs up Table 6-9 Appropriate responses (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only) Commands (NSF) (CSI) DIS (NSC) (CIG) DTC (PWD) (SEP) (CIG) DTC (TSI) DCS (TSI) (NSS) (PWD (SUB) (TSI) DCS CTC Comments Appropriate responses Identifying capabilities: from a manual receiver or an auto-answer unit (NSC) (CIG) DTC (TSI) DCS (NSF) (CSI) DIS (CRP) (TSI) (NSS) (PWD) (SEP) (CIG) DTC (PWD) (SUB) (TSI) DCS Mode-setting command: from calling unit (TSI) DCS (NSF) (CSI) DIS Poll operation Mode-setting command: from manual transmitter or automatic receiver Command is always followed by phasing/training Mode-setting command: from the transmitter to the receiver (CRP) (TSI) (NSS) CFR FTT (NSC) (CIG) DTC (NSC) (CIG) DTC (CTR) (CRP) ENWW Troubleshooting tools 271