Apple ImageWriter II/L

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This device is in the WorkNeeded:General category because it was flagged as missing general information about the device. The information may be incomplete, using default text, or inaccurate and should be verified with external sources if possible. If you can add or correct information on this page, please feel free to edit it and do so.
Apple ImageWriter II/L
Preliminary Information
Release Year 1990
Leak Risk High
Mounting Technology Through Hole, SMD
Capacitor Types Aluminum Electrolytic, Tantalum, Ceramic, Polymer
Destructive Entry No

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Known Issues

Sagging voltage on the +26VDC rail will cause the steppers to fail to move the carriage properly, which generates an error on startup.

Disassembly Notes

The entire carriage and printer assembly removes as a single unit for access to the power supply.

Original Parts

Logic Board

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C1 680 µF 10V Through Hole Radial 85 °C Aluminum Electrolytic Marcon CE-DS (equivalent to Jamicon SK)
C2 680 µF 10V Through Hole Radial 85 °C Aluminum Electrolytic Marcon CE-DS (equivalent to Jamicon SK)
C3 220 µF 35V Through Hole Radial 85 °C Aluminum Electrolytic Marcon CE-DS (equivalent to Jamicon SK)
C4 100 µF 35V Through Hole Radial 85 °C Aluminum Electrolytic Marcon CE-GS (equivalent to Jamicon SK)
C5 100 µF 10V Through Hole Radial 85 °C Aluminum Electrolytic Marcon CE-SS (Equivalent to Teapo SS)
C6 1 µF 50V Through Hole Radial 85 °C Aluminum Electrolytic Marcon CE-SS (equivalent to Teapo SS)
C7 680 µF 10V Through Hole Radial 85 °C Aluminum Electrolytic Marcon CE-DS (equivalent to Jamicon SK)
C8 680 µF 10V Through Hole Radial 85 °C Aluminum Electrolytic Marcon CE-DS (equivalent to Jamicon SK)
C30 100 µF 10V Through Hole Radial 85 °C Aluminum Electrolytic Marcon CE-SS (equivalent to Teapo SS)
C31 0.33 µF 50V Through Hole Radial 85 °C Aluminum Electrolytic Marcon CE-SS (equivalent to Teapo SS)

Power Supply

Power supply has three voltage rails:

  • +5VDC - primary logic rail
  • -5VDC - used for RS-422 serial
  • +26VDC - used for driving stepper motors
Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C5 560 µF 200 WV Through Hole Radial 30 mm 30 mm 10 mm 105 °C Electrolytic Nichicon GK(m)
C7 10 µF 250 V Through Hole Radial 10 mm 16 mm 5 mm 105 °C Aluminum Electrolytic Nichicon PR(m)
C16 6800 µF 10 V Through Hole Radial 16 mm 26 mm 7 mm 85 °C Aluminum Electrolytic Nichicon VX(m)
C18 470 µF 10 V Through Hole Radial 10 mm 15 mm 7 mm 85 °C Aluminum Electrolytic Nichicon VZ(m)
C19 47 µF 25 V Through Hole Radial 5 mm 15 mm 7 mm 85 °C Aluminum Electrolytic Nichicon VZ(m)
C20 100 µF 16 V Through Hole Radial 5 mm 15 mm 7 mm 85 °C Aluminum Electrolytic Nichicon VZ(m)
C22 2200 µF 40 V Through Hole Radial 16 mm 32 mm 7 mm 105 °C Aluminum Electrolytic Nichicon VZ(m)
C23 2200 µF 40 V Through Hole Radial 16 mm 32 mm 7 mm 105 °C Aluminum Electrolytic Nichicon VZ(m)
Power Supply Connector Pinout
  1. Ground
  2. +5VDC
  3. -5VDC
  4. Ground
  5. +26VDC

Replacement Parts

Basic PCB Name

Capacitors
RefDes Qty Compatible Part Number Order Links
Digikey

If parts are not available or different selection is preferred, you can use the values in the Original Parts section to perform a parametric search.

Related Links

References