The AKAI 1720 model reel to reel tape recorder described in this Manual is quite an old unit - circa late 1960's. As a consequence, the description of the mechanical details - and adjustments thereof - is quite critical. The manual does this quite well. The schematics are also well presented and have detailed PCB overlays. Probably the only negative is that some half-tone detail has been lost from the original manual as it has been scanned in simple B&W.
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Text excerpt from page 150 (click to view)
Remove printer drive assembly
Step 1 Remove the following assemblies: � Remove the toner cartridge. See �Toner cartridge removal and replacement� on page 96. � If installed, remove tray 3. See �Remove tray 3� on page 97. � Remove the cassette from tray 2. See �Remove the cassette from tray 2� on page 97. � Remove the DIMM cover. See �Remove DIMM cover� on page 99. � Remove the rear cover. See �Remove rear cover� on page 100. � Remove the top cover. See �Remove top cover� on page 102. � Remove the EIO card (if installed). See �Remove EIO card� on page 98. � Remove the formatter PCB. See �Remove formatter PCB� on page 112. � Unplug the two ribbon cables. See �Remove ribbon cable harness� on page 132. Step 2 Remove the five self-tapping mounting screws (callout 1) and three ground screws (callout 2). Step 3 Tilt the printer drive assembly away from the chassis and unplug all harness connectors and the I/F ribbon cable. Step 4 Lift off the printer drive assembly.
1 2
3 1
Figure 107. Note
Remove mounting and ground screws When replacing the printer drive assembly, feed the formatter power harness (callout 3) though the shield.
