6.9 EXTERNAL DEVICE ERRORS
6.9.1 No Paper
Monitor Timing: At time of printing
Monitor Method: Monitoring PE signal from Printer
CA-500’s Action: Warning and no printing
(1) Probable Cause
1. No printer paper
2. Failure of Printer
3. Failure of PCB No. 9265
4. Failure of wiring cord (for printer relaying)
5. Failure of PCB No. 6350
6. Failure of wiring cord (for printer signal)
(2) Confirmation by the operator
1. Place printer paper correctly.
(3) Confirmation by Service Engineer
Suspect Part Test Points Expected Value
Printer CN5 (PCB No. 9265) pin 3 and pin 1 1.2 V ± 0.2 V
CN5 (PCB No. 9265) pin 3 and pin 2 5 V Æ 0 V
when paper is set
PCB No. 9265 CN1 (PCB No. 9265) pin 14 and pin 12 5 V Æ 0 V
when paper is set
Wiring Cord CN5 (PCB No. 6350) pin 3 and pin 1 1.2 V ± 0.2 V
(for printer relaying) CN5 (PCB No. 6350) pin 3 and pin 2 5 V Æ 0 V when probe crash occurs
PCB No. 6350 CN1 (PCB No. 6350) pin 15 and pin 1 5 V Æ 0 V when probe crash occurs
PCB No. 6362 CN106 (PCB No. 6362) pin 15 and pin 1 5 V Æ 0 V when probe crash occurs
CA-500 Series S/M 6-30 Revised December 2001 8