Specifications

Table 5–1: Problems and Possible Causes
Problem Possible Cause
Inner Control Panel
Malfunction
1. Incorrect strap setting
2. SMDP
3. Control panel
4. Cable assembly 15
Outer Control Panel
Malfunction (Inner
Control Panel OK)
1. Outer control panel
2. Cable assembly 25 connections at SCPI-P3 and
SMDP-P3
Intermittent/erratic
operation
1. If SPSR voltage LEDs vary in brilliance:
a. SPSR
b. SPSM
c. SPSX
2. Interface cable/connector
3. Cable assembly 16
4. SMSM (check CR4 LED (ALE signal); indicates
microprocessor operating)
5. SMIM (check CR3 LED (ALE signal); indicates
microprocessor operating)
Garbled or no printout 1. SHAD
2. SMSM (check CR4 LED (microprocessor
operating) and seating of chips)
3. SMIM (check CR3 LED (microprocessor
operating) and seating of chips)
4. SMIH
5. Cable assembly 14, 19
Constant Paper Out
Indication
1. Paper Out switch adjustment
2. Paper Out switch defective
3. Cable assembly 17 to switch
4. SMDP
Wavy print, columns or
paper will not feed
1. Paper feed problem (binding, alignment)
2. Drive belt adjustment
3. SMMC
4. Cable assembly 17 to paper motor
5. Paper motor
6. See print adjustment procedures in Chapter 7
TROUBLESHOOTING 5–5